Brochure widmer spring_rods_20101008

www.widmer-sonnenschutz.de

Our Performance
Your Advantage

spring rods
individual. reliable. sustainable.

Contents

Foreword 3
The Bundle of Energy 4
Technical Information 5
Spring Mechanics + Spring Rods Ø 42 - 70 mm 6
Spring Mechanics + Spring Rods Ø 42 - 70 mm VL (extended) 7
Spring Mechanics + Spring Rods Ø 98 - 130 mm 8
Customized Spring Rods 9
Spring Mechanics for Polygonal Tubes Ø 40 - 70 mm 10
Spring Mechanics for Groove Tubes Ø 63 - 85 mm 11
Blind Rollers Ø 19 - 42 mm 12
Corona – Sidewinder Spindles Ø 32 - 42 mm 13
Accessories for Blind Rollers 14
WIDMER Spring Rods – Your Advantages at a Glance 15
Your Contact Persons 16

2

Foreword

Dear reader,

the WIDMER philosophy is built upon premium products, pronounced customer-
focus, and a long-term oriented company policy. To maintain these values, we
make sure that WIDMER remains family-owned. It is our aim to constantly improve
our products and services, and to maintain and enhance the direct, personal
contact with our customers. Through our modern products and active customer
support, we seek a powerful long-term partnership with our customers. Thus,
we want to shape the sun protection business and consolidate our leadership
on the spring rod market.

On the following pages you get information on our products and services all
around spring rods. At the end of the catalogue, you will ﬁnd your contact
persons at WIDMER. We would be glad to prove our performance and the
advantages we offer. Dr. Michael Müller
Managing Director

Best regards from Heppenheim

Dr. Michael Müller

3

Our Bundle of Energy. Ingeniously Simple. Simply
Ingenious.

The Original – Only from WIDMER. Spring rods produce spring tension through torsion springs. They can be
used as drive or back pull entirely without requiring any electricity. Weights are released and moved horizontally or
vertically.

At WIDMER, we began already in 1886 with the development, production, and distribution of this spring rod technology,
and since then we have constantly perfected it. Due to numerous patents, WIDMER occupies by now a leading
position on the spring rod market and is well-known all over the world.

Today, WIDMER produces spring rods with diameters ranging from 19 to 130 mm and a load from 1 to 180
kg. Especially the large spring rods are silent friends in need when human muscle power or the power of a motor or
gear is not sufﬁcient. WIDMER spring rods are suitable in many different areas, e.g.:
▪ Roller blinds: The standard use for WIDMER spring rods is in roller blinds for sun, privacy and insect protection.
The spring rod, here also called blind roller, ensures optimal cloth stretching and rolls the fabric upthanks to its
spring force. Naturally, this mechanic is also suitable for other vertical or horizontal shading systems (e.g. awnings,
roller shutters, or dimming systems). The WIDMER spring rod is also utilized in roller systems for industrial use
(e.g. protective covers for machines).
▪ Rolling shutter gates/ grills and garage doors: WIDMER spring rods either help you open large doors with small
efforts, or they support installed electric motors. In either case, WIDMER spring rods reduce power consumption
considerably.
▪ Furniture: Any type of cabinet with roll-up doors or roller shutters can be opened and closed without any effort,
thanks to WIDMER spring rods.
▪ Vehicle/ body manufacturing: The operation of roller shutters, tarpaulins, or load area covers of any vehicle,
WIDMER spring rods master every challenge.

Our experts are glad to advise you regarding the various possible uses of WIDMER spring rods. On the following
pages you ﬁnd an overview of our most popular spring rods. Of course we also develop customized solutions for
special applications.

4

Technical Information

The appropriate type of spring rod is crucial for the correct functioning of the device it actuates.
We recommend that the maximum pulling force of the spring should exceed the weight of the roller blind by
approximately 30%, and the maximum number of turns should equally exceed the required number of turns by 30%.
The fine tuning is made by appropriate tension adjustment when the blind is mounted.
It is important to tension the spring only in one direction, namely at the tube, in direction of the arrow as indicated
on the sticker, and with locked spring pin.
Correspondingly, the retensioning has to be effected at the spring pin with the tube fixed and against the direction of
the arrow.

Our spring rods are by default designed for being mounted on the left side. That means that if you look at the spring
mechanic from the spring side, the roller turns to the left when unrolling.
All spring rods and spring mechanic larger than Ø 42 mm can be provided also for mounting on the right side. Here
the spring is winded in the opposite direction and the tension direction is reversed. Thus you can increase power by
combining a left and a right spring of any load, because the maximum pulling forces of the two springs add.

All springs rise virtually constantly with increasing torque until they reach their maximum pulling force. The
maximum pulling force is attained when reaching the maximum number of turns at the exterior diameter of the tube.

CAUTION: Exceeding the maximum number of turns will damage your spring and discharges us of any liability.

Required specifications for ordering:
▪ Reference number or tube diameter, fabric weight, maximum number of turns
▪ Tube length, tip-to-tip length, interior mounting dimensions, sense of rotation
▪ Accessories

5

Spring Mechanics + Spring Rods*
Ø 42 - 70 mm

*Spring rods incl. circular tube and roller cap
Utilization:
These models are mainly used for the rolling and unrolling of small to medium roller blind proﬁles. They serve
to take the weight off gear drives or motors used for the actuation of the roller blind. Apart from that, they can be
used for unrolling or back pull through straps or steel ropes.

Ø 42 mm
Max. pulling force kg 4 6 10 15 20 30 35
Max. no. of turns 15 17 14 14 17 16 16
Mechanic length mm 331 411 411 561 661 661 761
Reference no. spring rod FW001.001 FW001.017 FW001.033 FW001.049 FW001.065 FW001.081 FW001.089
Reference no. mechanic FM001.001 FM001.017 FM001.033 FM001.049 FM001.065 FM001.081 FM001.089

Ø 50 mm
Max. pulling force kg 7 12 16 20 25 35
Max. no. of turns 11 12 14 13 13 13
Mechanic length mm 411 561 661 661 761 761
Reference no. spring rod FW002.117 FW002.141 FW002.165 FW002.411 FW002.189 FW002.203
Reference no. mechanic FM002.117 FM002.141 FM002.165 FM002.411 FM002.189 FM002.203

Ø 60 mm
Max. no. of turns 12 11 13 13 15 13

Ø 70 mm
Max. pulling force kg 15 20 28 40 55
Max. no. of turns 17 11 12 10 10
Mechanic length mm 514 514 764 764 914
Reference no. spring rod FW004.281 FW004.289 FW004.297 FW004.305 FW004.313
Reference no. mechanic FM004.281 FM004.289 FM004.297 FM004.305 FM004.313

Accessories: (Further accessories and other diameters on demand)

Wall brackets Ceiling brackets Lateral brackets Lateral brackets Ball bearing
(42 mm) (50 - 70 mm)
6

Ø 42 - 70 mm (extended)

Utilization:
Due to the extended mechanic, the maximum number of turns is signiﬁcantly higher and the load development
longer. These models are used for large drops or greater heights in roller shutters with small to medium
proﬁles. They are also suitable for awning cloths and light tarpaulins. They serve as back-pull and weight relief.

Ø 42 mm
Max. no. of turns 25 20 20 28 28

Ø 50 mm
Max. no. of turns 30 30 27 23 21 20

Ø 60 mm
Max. pulling force kg 10 15 20 28
Max. no. of turns 27 23 21 21
Mechanic length mm 1011 1011 1011 1011
Reference no. spring rod FW009.213 FW009.231 FW009.375 FW009.249
Reference no. mechanic FM009.213 FM009.231 FM009.366 FM009.249

Ø 70 mm
Max. no. of turns 40 22 20 14 13

Accessories: (Further accessories and other diameters on demand)

Wall brackets Ceiling brackets Lateral brackets Lateral brackets Ball bearing
(42 mm) (50 - 70 mm)
7

Ø 98 + 130 mm


Utilization:
These models are used for large roller shutter proﬁles, rolling grills and heavy tarpaulins.

Ø 98 mm
Max. pulling force kg 25 38 55 70 90 110* 140* 160* 180*
Max. no. of turns 6 10 10 9 9 10 9 9 9
Mechanic length mm 810 960 960 1060 910 1920 2120 1970 1820
Reference no. spring rod FW005.325 FW005.329 FW005.367 FW005.333 FW005.337 FW005.353 FW005.354 FW005.355 FW005.356
Reference no. mechanic FM005.325 FM005.329 FM005.358 FM005.333 FM005.337 *spring rods with second mechanic

Ø 130 mm
Max. pulling force kg 30 42 53 69 105* 122* 138*
Max. no. of turns 10 10 9 9 9 9 9
Mechanic length mm 960 960 1060 910 2120 1970 1820
Reference no. spring rod FW006.369 FW006.371 FW006.345 FW006.349 FW006.361 FW006.362 FW006.363
Reference no. mechanic FM006.360 FM006.362 FM006.345 FM006.349 *spring rods with second mechanic

Accessories:

Lateral brackets Wall brackets Ceiling brackets

8

Customized Spring Rods

Of course we develop every kind of special models according to your requirements.
Here are some examples:

▪ Spindles with pretension safety
▪ End parts with elastic bearing pin
▪ Galvanized springs
▪ Galvanized tubes
▪ Extra long springs
▪ Spring mechanics for tubes with special shapes
▪ Extra long spring mechanics for even higher number of turns
▪ Stainless steel components
▪ Spring mechanics with ball bearings, lubricated and coated, for silent operation
▪ Special spring pins
▪ Spring mechanics with diameters smaller than 19 mm

9

Spring Mechanics for Polygonal Tubes
Ø 40, 60, 70 mm (normal and extended)

Ø 40 mm
Max. no. of turns 15 17 14 14 17

Ø 60 mm
Max. no. of turns 12 11 13 13 15 13

Ø 70 mm
Max. no. of turns 17 11 12 10 10

Ø 40 mm VL (extended)
Max. no. of turns 25 20 20 28 28


Max. no. of turns 40 22 20 14 13

10

Spring Mechanics for Groove Tubes
Ø 63, 78, 85 mm (normal and extended)

Ø 63 mm

Ø 78 mm
Max. no. of turns 17 11 12 10 10

Ø 85 mm
Max. no. of turns 17 11 12 10 10


Max. no. of turns 40 22 20 14 13

Max. no. of turns 40 22 20 14 13

11

Blind Rollers
Ø 19 - 42 mm

Blind rollers are spindles with spring balancers for blind fabrics, awning cloths, and light ﬁlms.

Utilization:
Blind rollers are suitable for roller blinds in living areas,
for functional roller blinds for machines and vehicles,
insect protection roller blinds, and roller blinds for
rooﬂights.

Ø 19 mm
Max. pulling force kg 1,5 2
Max. no. of turns 40 40
Reference no. SR001.001 SR001.009

Ø 25 mm
Max. pulling force kg 1 1,5 2 All blind rollers – apart from Ø 19 mm – have by
Max. no. of turns 40 40 40 default a locking device.
Reference no. SR002.029 SR002.041 SR002.053
On demand you can get every blind roller (Ø 25
- 42 mm) without locking device or with pin with
Ø 30 mm
groove for pretensioning and securing.
Max. pulling force kg 2 3,5 4,5
Max. no. of turns 30 30 30

Ø 35 mm
Max. pulling force kg 2,5 3,25 4

Ø 42 mm
Max. pulling force kg 4 6 8

12

Corona – Sidewinder Spindles
Ø 32 - 42 mm

The drive of a sidewinder spindle is actuated by a bead chain and can be stopped in every position.

Sidewinder spindle (SZW001) Ø 32 mm



Scope of supply: plastic parts in white, on demand in brown, end bearing and two-sided tape mounted, not ﬁxed
Corona drive, without drop rod.

Bead chain Brackets 100 Corona drive

On demand available: sidewinder spindles with string or strap roll

Ø 35 mm (SZW004)

Ø 42 mm (SZW005)

Ø 50 mm (SZW006)

13

Accessories for Blind Rollers

Brackets for blind rollers Ø 19, 25, 30 and 35 mm

Brackets 57 Brackets 58 Brackets 53 Brackets 54 KS Brackets 54 D

Brackets for blind rollers Ø 42 mm

Brackets 59 (lateral) Brackets 600 (upwards) Brackets 580 (to the front)

Accessories for roller blinds:
Drop rods, cord holders, tassels, and many more.

Other models and customized solutions on demand.

14

WIDMER Spring Rods – Your Advantages at a Glance

Long endurance of your maintenance-free spring rods due to best WIDMER brand quality for over 120
1 years – Play it safe
Easier handling of sun protection and dimming systems, heavy tarpaulins, rolling gates, protection covers
2 and many more
Lower energy consumption due to the relief or even replacement of electric drives – This saves money
3 and spares the environment

4 Maximum comfort – The elaborated technology guarantees smooth and silent operation

5 Best service – Professional consultancy, customized solutions, test runs – We handle this for you

Top conditions – short lead times, fast order processing, attractive pricing, exclusive quality – With
6 WIDMER you get value for your money
Distinctive customer focus – efficient communication and decision-making processes, high flexibility in
7 customized solutions, individual customer support

Benefit from the numerous advantages of WIDMER spring rods and rely on our premium products. It spares you time,
money, and frustration, protects the environment and guarantees you extraordinary functionality.

15

Your Contact Persons at WIDMER

Jörg Weißbrodt
Sales Director spring rods - functional roller blinds
Phone +49 (0)6252/9926-20
E-Mail j.weissbrodt@oskar-widmer.de

Leonhard Oberle
Technical Director
Phone +49 (0)6252/9926-37
E-Mail l.oberle@oskar-widmer.de

Dr. Michael Müller
Managing Director
Phone +49 (0)6252/9926-0
E-Mail m.mueller@oskar-widmer.de

Experience WIDMER spring rods in action. Also ask for:

► WIDMER functional blinds → shading systems, projection screens, protection covers

► WIDMER sun protection roller blinds

WIDMER GmbH
Kalterer Straße 11
64646 Heppenheim
Germany
Phone +49 (0)6252/9926-0
Fax +49 (0)6252/9926-11
E-Mail info@oskar-widmer.de
Internet www.oskar-widmer.com

16

Test the Performance of WIDMER!

sun protection spring rods functional roller blinds service center
Awnings Spring rods Shading systems Customized solutions

Winter garden shades Spring mechanics Projection screens Mounting and
disposal
Exterior blinds Blind rollers Protection covers for
machines Repairing
Large parasols
Cleaning of sun
Interior blinds protection devices
Roller blinds Imprinting
Pleated blinds Sales promotion
Vertical blinds

Window ﬁlms

Insect screens

individual. reliable. sustainable.
17

Brochure widmer spring_rods_20101008

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