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Catalogue: nuts, washers, screws and studs - .PDF file.

M6 studs and handles from WDS have been used on what is claimed to be the world’s first all-terrain wheelchair. The Mountain Trike is designed to be useable in the harshest conditions possible, including deep mud and steep downhill tracks, to allow wheelchair users to utilise woodland and country paths.

The Mountain Trike has been redesigned from the ground up and resembles a high-end mountain bike as much as it does a traditional wheelchair. It employs a lever drive system that allows the user to power, steer and brake the trike using two levers positioned in front of them. The levers are connected to the wheels using similar technology to that found on a mountain bike and power each wheel independently. A third wheel at the back stabilises the chair and can be steered using a joystick mechanism attached to one of the levers.

The levers have to be able to withstand a great deal of force as they propel the trike forward but also help to prevent roll-back when climbing hills. However, in order to reverse the trike, the levers have to quickly and reliably disengage.

Tim Morgan, managing director of Mountain Trike, had to source a pin component that users could quickly engage, even when extremely muddy, and that the company could rely on to survive day after day.

He specified the WDS components to help connect drive levers to the trike’s drive train. The handles feature an ergonomic Bakelite finish, which is weather resistant while the thread insert is galvanised steel. The stud is manufactured in house by WDS using high-tensile steel.

Click on the link above to download the WDS catalogue of nuts, washers, screws and studs.

Key benefits of product application

  • WDS has a wide range of standard parts with 3D CAD files available to download from its website. This allowed Morgan to source the parts he needed quickly and to check they would be suitable prior to order.
  • The combined weight of the two components is 27g, which is important for applications such as this where weight needs to be kept to a minimum.
  • The metal threads are extremely tough, meaning they won’t become stripped or shear during use.
  • WDS’s level of availability and reliability allows SME manufacturers such as Mountain Trike to place orders to suit their current schedule without fear of extortionate costs or late delivery. Morgan said: ‘The ordering process through WDS suits our business model down to the ground.’

WDS

WDS is the UK’s leading manufacturer of standard parts for use in jig and fixtures, machine accessories and consumer products. Industries include Aerospace, Defence, Automotive, Machine Build and Maintenance. The current Standard Parts and Machine Accessories range offers over 15,000 products with a range of products, which consist of Hand Knobs, Wheels, Hoist Rings, Toggle Clamps, Fasteners and Threaded Parts.

WDS is the UK’s leading manufacturer of standard parts for use in jig and fixtures, machine accessories and consumer products. Industries include Aerospace, Defence, Automotive, Machine Build and Maintenance. The current Standard Parts and Machine Accessories range offers over 15,000 products with a range of products, which consist of Hand Knobs, Wheels, Hoist Rings, Toggle Clamps, Fasteners and Threaded Parts.

The online website, provides users with free access to download items in any current 3D/2D CAD format.

WDS offers a full design and manufacture ‘Specials’ and bespoke service in an assortment of materials and finishes. Components and fixtures can be modified individually or whole production runs can be set up with short lead times, making WDS a valued supplier to small customers through to OEM’s and resellers servicing the MRO market in the UK and overseas.

Please remember that WDS offer all customers the benefits of no minimum order quantity and no small order surcharge on all orders. Simply call one our sales team or even get free carriage when you order online.

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