LandOfFree - US Patents - Listing for Work holders

Work holders – Plural holders to hold workpieces relative to each other – Workpieces normal to each other

Draw clamp

Work holders – Relatively movable jaws – With means for 'hold-down' component of force

Draw-down jaw

Work holders – With fluid means – Cylinder-piston means directly moves jaw

Drill press vise assembly

Work holders – Relatively movable jaws – With means for 'hold-down' component of force

Drive for a machine vice

Work holders – Operator supported – Handle manipulation for jaw actuation

Driving mechanism for plank clamp

Work holders – With fluid means – Vacuum-type holding means

Drum welding apparatus

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Drywall installation tool

Work holders – Relatively movable jaws – Three coacting work grippers

Dual action clamp

Work holders – Holder mounted for movement – Including means to shift holder position

Dual adjustable vise

Work holders – Relatively movable jaws – Plural jaw pairs

Dual clamping apparatus

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Dual clamping vise

Work holders – Holder mounted for movement – With plural means for changing holder positions

Dual cylinder work piece positioner

Work holders – Work-underlying support – Movable roller

Dual orientation leveling platform for semiconductor apparatus

Work holders – Relatively movable jaws – Means to actuate jaw

Dual purpose work board holder

Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other

Dual vise for skis and the like

Work holders – Operator supported

Dual-action clamp

Work holders – Holder mounted for movement – With plural means for changing holder positions

Dustproof device for linear guide rail