Lee Valley Tools Ltd.

Paul Roach

Terry R Saunders

Steven K Jones

Brent K Hyde

Brian Ebbinghaus

Tool holder

Vises utilizing a threaded screw and nut to translate rotary motion of the screw into linear relative movement of vise components. The nut may be a half-nut urged into contact with the screw by a cam that may be operated by a lever located near the handle for turning the screw. A tail vise embodiment may be mounted to the underside of a workbench without signification bench modification and positions the screw near the front edge of the bench top. A front vise embodiment may include a screw cover to protect workpieces from contact with the screw.

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Ottawa, Canada

Paul Roach