SPRINGS & SHOCK ABSORBERS  PRODUCTS  


SHOCK ABSORBER HELPS PATIENT EXERCISE SAFELY


Founded in 1964, Remap helps disabled people achieve independence and a better quality of life by designing and building equipment that meets their individual needs. One Remap volunteer, Barry Tremlett, was asked to help out on a project for a young woman called Ellie, who


is disabled from the waist down following an operation to remove a tumour. Ellie uses a rowing machine to exercise her legs for which Tremlett


designed and supplied a modification that supports her legs on the forward stroke. However, she cannot stop the seat as she moves forward, meaning that it was crashing into the original stop and passing a painful shock through her body with every stroke. Having assessed the situation, Tremlett decided the best solution


was to fit an industrial shock absorber, mounted using a transverse aluminium square section tube, which reacts against the seat as it runs forward. The shock absorber dissipates the kinetic energy in a controlled impact-free way to create a smooth movement that glides the seat to a stop. WDS provided a suitable shock absorber at no charge. Industrial shock absorbers work by driving a piston into an oil-filled


chamber and forcing the oil out through a relatively small orifice to provide a cushioning effect. Adjustable shock absorbers, as used here, have a setting wheel which is used to partially close off the orifice and thereby match oil flow, and thus the load absorption capacity, to the application requirements. WDS shock absorbers are robustly built for a long reliable working life,


even in harsh environments. They come in a range of sizes with stroke lengths from 8mm to 50mm and operating speeds from 0.8m/s to 3.0m/s.


WDS Component Parts  www.wdscomponents.com/en-gb   Unit 1, Latimer Road Industrial Estate


Latimer Road, Wokingham Berkshire RG41 2YD Email sales@simpsonsprings.co.uk


Tel: 0118 978 6573 Fax: 0118 989 4434 www.simpsonsprings.co.uk


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DESIGN SOLUTIONS | APRIL 2020 25


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