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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Assignee: Pratt Burnerd International Limited


Location: Halifax, GB2
No. of patents: 6

NumberTitleIssue Date
4700955Chucks
A fluid-operated ram, for example comprising a cylinder 10 and piston 12, is provided for actuating a device such as a chuck having jaws 15. When the jaws are moved by the ram to grip a workpiece this constitutes a limiting position which impedes the flow...
10/20/1987
4617721Jaw changing apparatus
An apparatus is provided which enables the jaws of a chuck 10 to be removed from and inserted into jaw-ways 12, 13, 14 using a conventional workpiece handler, rather than a sophisticated and highly accurate dedicated jaw handling mechanism. A conventional...
10/21/1986
4616838Work holding devices
A work holding device comprises an annular cylinder 14, an annular piston 15 movable with respect to the cylinder within the cylinder in an axial direction by application of fluid pressure, and a jaw drive device 28, 29, 30, 31 projecting from the cylinde...
10/14/1986
4506896Chucks
A chuck comprises a body (10) rotatable about an axis (11) and at least one jaw (12) movable in a radial direction to clamp a workpiece in the chuck. At least one operating lever (14) is mounted on the body (10) and the, or each, lever is operable to move...
03/26/1985
4502704Workholding devices
A workholding device comprises a body 10, a plurality of relatively movable base jaws 12, each base jaw 12 carrying one of a plurality of top jaws 13, such that when the base jaws 12 are moved relative to one another, a workpiece 15 can be gripped by the ...
03/05/1985
4254676Workholding
The invention relates to work holding and is concerned with the provision of a work holding device which is more efficient than known devices. According to the invention a work holding device comprises a device for gripping a workpiece, the device being p...
03/10/1981
 
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