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STAIRCASE LIFT
Dr.K.L.SenthilKumar,Mr.S.Sivabalakrishnan,Mr.S.Baskaran and Mr.V.Satheeshkumar
Department of Mechatronics
Bannari Amman Institute of Technology
June 19, 2017
OBJECTIVE
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
2 / 21
■ To design and fabricate a staircase lift, to facilitate disabled
persons move up and down the floors
■ To understand the underlying principles behind various
alternatives for making staircase lift,them selecting the suitable
alternatives without comprehending the safety
■ To give a wide exposure to students involved for executing real
time projects
IDEAS REVIEWED
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
3 / 21
■ Rolling Ramp
■ Design and Fabrication of Staircase Climbing Wheelchair
■ IIT Students Project Vardaan
■ A low cost stair climbing wheelchair
■ European Patent Application based on StairCase Lift
ROLLING RAMP
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
4 / 21
• It is a portable ramp, made up of weightless aircraft grade
aluminum steel.
• Under normal condition i.e when not in use it is rolled like
shutters
• When ramp is required to provide platform for wheelchair it can
be unrolled and spread over the stairs with the help of screwjack
support
Rolling Ramp-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
5 / 21
Figure 1: Rolling Ramp
This idea is Ruled out stating the following Reasons
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
6 / 21
• It will occupy almost entire workspace of the stairs and create
trouble to those who use stairs frequently.
• User always needs a personal assistant.
• Assembling and dismantling ramp is tedious process and it will
affect the physical integrity of ramp structure.
DESIGN AND FABRICATION OF STAIRCASE
CLIMBING WHEELCHAIR
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
7 / 21
• It is a manually operated wheelchair that can travel on both plane
terrains and also in the staircases
• In this Project instead of using normal wheel, a special type of
wheel called penta wheel is used in array formation inclined at 72
degree from each other.
•At the time of climbing, one wheel that is the idle wheel will be in
contact with the ground and another wheel will be in contact
with the stair.
Wheelchair-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
8 / 21
Figure 2: Wheel Chair
This idea is Ruled out stating the following Reasons
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
9 / 21
• Requires a personal assistant to move the wheelchair
• The wheelchair is more prone to slipage and vibration problems
• The user is prone to some kind of inconvenience due to unbalance
of body weight
A Low Cost Stair Climbing Wheel Chair
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
10 / 21
• The Low Cost Stair Climbing Wheel Chairis based on four
wheel-leg units, containing three orbital wheels each, but only two
units need traction
• Electric drive is connected to delta wheels or hub,and the hub
inturn will transmit motion to orbital wheels.Gyroscopic sensor and
Gear mechanism is an integral part of the system for controlling the
direction and speed
• Acceleration,torque and direction is controlled by user with the
help of HMI interface.
A Low Cost Stair Climbing Wheel Chair-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
11 / 21
Figure 3: Wheel Chair Mechanism
A Low Cost Stair Climbing Wheel Chair-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
12 / 21
Figure 4: Wheel Chair Working
This idea is Ruled out stating the following Reasons
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
13 / 21
• The speed of ascending and descending is slow,and it will
interrupt the flow of others moving over the stairs
• Sudden malfunctioning of electrical components and battery drain
may cause series harm to user
IIT Students Project Vardaan
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
14 / 21
•Vardaan is a simplest and safest mechanism of climbing stairs
without any support of external device
• Using this a person can climb stairs in sitting position by dragging
the body weight upward or downward on hands by rowing motion
• It has a pair of rolling wheel and Y-Shaped wheel. A Y-shaped
wheel is designed for better grip and optimum braking for climbing
up and down
Vardaan-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
15 / 21
Figure 5: Vardaan
This idea is Ruled out stating the following Reasons
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
16 / 21
• It can accommodate persons with low weight,and the stability is
reduced with increase in weight
• A person using this must be physically fit enough to produce
rowing motion.Even for fit person it is difficult to climb more no of
steps
• The body posture to operate this mechanism is not suitable to
everyone
European Patent Application based on StairCase Lift
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
17 / 21
•The wheel chair lift is new invention for transporting a disabled
person between floors. The driving mechanism for this stair lift
includes one guide rail parallel to a stairway, a moveable carrier
frame suspended from the guide rails has a platform to carry
disabled person in wheel chair.
•The suspended carrier frame is driven by pinion and moves over
the rack fixed on the banister. The pinion was driven by the electric
motor.
•The driving mechanism used in this stair lift has feasibility to
implement in real time due to smooth motion, less cost and highly
reliable. It has possibility to make movement on turning stair ways
•The stair lift device uses a rail on stairways for lifting and
lowering one disabled person. The driving mechanism includes
carriage mountable to the rail, rail comprises a track portion and a
structural portion.
European Patent Application based on StairCase Lift
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
18 / 21
Load bearing wheels are used in opposed roller track on each side
of the rail. In this manner, carriage is guided firmly and smoothly
up and down the rail using powered drive.
The driving mechanism used in this stair lift is a carriage mounted
on the rail moves up and down using powered drive. It is not
portable, wear of bearing cause severe damage to user, occupies
more space and expensive.
European Patent Application based on StairCase
Lift-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
19 / 21
Figure 6: Drive based Wheelchair
European Patent Application based on StairCase
Lift-Images
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
20 / 21
Figure 7: Drive based Wheelchair
This Idea is Considered for Implementation
OBJECTIVE
IDEAS REVIEWED
ROLLING RAMP
Rolling Ramp-Images
This idea is Ruled out
stating the following
Reasons
DESIGN AND
FABRICATION OF
STAIRCASE
CLIMBING
WHEELCHAIR
Wheelchair-Images
This idea is Ruled out
stating the following
Reasons
A Low Cost Stair
Climbing Wheel Chair
A Low Cost Stair
Climbing Wheel
Chair-Images
A Low Cost Stair
Climbing Wheel
Chair-Images
This idea is Ruled out
stating the following
Reasons
IIT Students Project
Vardaan
Vardaan-Images
This idea is Ruled out
stating the following
Reasons
European Patent
21 / 21
• It does not occupy the entire work area of steps
• No user effort needed,and the user can enjoy the comfort as it
moves at steady soeed without vibration
• It does require personal assistant,user can control the whole
operation
• More safe and reliable

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Staircase (3)

  • 1. 1 / 21 STAIRCASE LIFT Dr.K.L.SenthilKumar,Mr.S.Sivabalakrishnan,Mr.S.Baskaran and Mr.V.Satheeshkumar Department of Mechatronics Bannari Amman Institute of Technology June 19, 2017
  • 2. OBJECTIVE OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 2 / 21 ■ To design and fabricate a staircase lift, to facilitate disabled persons move up and down the floors ■ To understand the underlying principles behind various alternatives for making staircase lift,them selecting the suitable alternatives without comprehending the safety ■ To give a wide exposure to students involved for executing real time projects
  • 3. IDEAS REVIEWED OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 3 / 21 ■ Rolling Ramp ■ Design and Fabrication of Staircase Climbing Wheelchair ■ IIT Students Project Vardaan ■ A low cost stair climbing wheelchair ■ European Patent Application based on StairCase Lift
  • 4. ROLLING RAMP OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 4 / 21 • It is a portable ramp, made up of weightless aircraft grade aluminum steel. • Under normal condition i.e when not in use it is rolled like shutters • When ramp is required to provide platform for wheelchair it can be unrolled and spread over the stairs with the help of screwjack support
  • 5. Rolling Ramp-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 5 / 21 Figure 1: Rolling Ramp
  • 6. This idea is Ruled out stating the following Reasons OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 6 / 21 • It will occupy almost entire workspace of the stairs and create trouble to those who use stairs frequently. • User always needs a personal assistant. • Assembling and dismantling ramp is tedious process and it will affect the physical integrity of ramp structure.
  • 7. DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 7 / 21 • It is a manually operated wheelchair that can travel on both plane terrains and also in the staircases • In this Project instead of using normal wheel, a special type of wheel called penta wheel is used in array formation inclined at 72 degree from each other. •At the time of climbing, one wheel that is the idle wheel will be in contact with the ground and another wheel will be in contact with the stair.
  • 8. Wheelchair-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 8 / 21 Figure 2: Wheel Chair
  • 9. This idea is Ruled out stating the following Reasons OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 9 / 21 • Requires a personal assistant to move the wheelchair • The wheelchair is more prone to slipage and vibration problems • The user is prone to some kind of inconvenience due to unbalance of body weight
  • 10. A Low Cost Stair Climbing Wheel Chair OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 10 / 21 • The Low Cost Stair Climbing Wheel Chairis based on four wheel-leg units, containing three orbital wheels each, but only two units need traction • Electric drive is connected to delta wheels or hub,and the hub inturn will transmit motion to orbital wheels.Gyroscopic sensor and Gear mechanism is an integral part of the system for controlling the direction and speed • Acceleration,torque and direction is controlled by user with the help of HMI interface.
  • 11. A Low Cost Stair Climbing Wheel Chair-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 11 / 21 Figure 3: Wheel Chair Mechanism
  • 12. A Low Cost Stair Climbing Wheel Chair-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 12 / 21 Figure 4: Wheel Chair Working
  • 13. This idea is Ruled out stating the following Reasons OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 13 / 21 • The speed of ascending and descending is slow,and it will interrupt the flow of others moving over the stairs • Sudden malfunctioning of electrical components and battery drain may cause series harm to user
  • 14. IIT Students Project Vardaan OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 14 / 21 •Vardaan is a simplest and safest mechanism of climbing stairs without any support of external device • Using this a person can climb stairs in sitting position by dragging the body weight upward or downward on hands by rowing motion • It has a pair of rolling wheel and Y-Shaped wheel. A Y-shaped wheel is designed for better grip and optimum braking for climbing up and down
  • 15. Vardaan-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 15 / 21 Figure 5: Vardaan
  • 16. This idea is Ruled out stating the following Reasons OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 16 / 21 • It can accommodate persons with low weight,and the stability is reduced with increase in weight • A person using this must be physically fit enough to produce rowing motion.Even for fit person it is difficult to climb more no of steps • The body posture to operate this mechanism is not suitable to everyone
  • 17. European Patent Application based on StairCase Lift OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 17 / 21 •The wheel chair lift is new invention for transporting a disabled person between floors. The driving mechanism for this stair lift includes one guide rail parallel to a stairway, a moveable carrier frame suspended from the guide rails has a platform to carry disabled person in wheel chair. •The suspended carrier frame is driven by pinion and moves over the rack fixed on the banister. The pinion was driven by the electric motor. •The driving mechanism used in this stair lift has feasibility to implement in real time due to smooth motion, less cost and highly reliable. It has possibility to make movement on turning stair ways •The stair lift device uses a rail on stairways for lifting and lowering one disabled person. The driving mechanism includes carriage mountable to the rail, rail comprises a track portion and a structural portion.
  • 18. European Patent Application based on StairCase Lift OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 18 / 21 Load bearing wheels are used in opposed roller track on each side of the rail. In this manner, carriage is guided firmly and smoothly up and down the rail using powered drive. The driving mechanism used in this stair lift is a carriage mounted on the rail moves up and down using powered drive. It is not portable, wear of bearing cause severe damage to user, occupies more space and expensive.
  • 19. European Patent Application based on StairCase Lift-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 19 / 21 Figure 6: Drive based Wheelchair
  • 20. European Patent Application based on StairCase Lift-Images OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 20 / 21 Figure 7: Drive based Wheelchair
  • 21. This Idea is Considered for Implementation OBJECTIVE IDEAS REVIEWED ROLLING RAMP Rolling Ramp-Images This idea is Ruled out stating the following Reasons DESIGN AND FABRICATION OF STAIRCASE CLIMBING WHEELCHAIR Wheelchair-Images This idea is Ruled out stating the following Reasons A Low Cost Stair Climbing Wheel Chair A Low Cost Stair Climbing Wheel Chair-Images A Low Cost Stair Climbing Wheel Chair-Images This idea is Ruled out stating the following Reasons IIT Students Project Vardaan Vardaan-Images This idea is Ruled out stating the following Reasons European Patent 21 / 21 • It does not occupy the entire work area of steps • No user effort needed,and the user can enjoy the comfort as it moves at steady soeed without vibration • It does require personal assistant,user can control the whole operation • More safe and reliable