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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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Class 279/38 - Fixed cam and moving jaws


Subclass of Class 279 - Chucks or sockets
Definition: Devices , wherein the jaws are closed by being moved into
No. of patents: 10
Last issue date: 07/17/2007


NumberTitleIssue Date
7243922Drill chuck tool bit locator
A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include a spring, such as a conical spring, that can be coupled to a spindle...
07/17/2007
7137632Force limiting workpiece holding device
A force limiting workpiece holding device for holding a workpiece in a workpiece processing assembly having a spindle and a closer that applies a force, comprises a workpiece holder slidably mounted to the spindle. The workpiece holder includes a plurality of circum...
11/21/2006
6920810Method and apparatus for attaching and detaching an attachable device
A method and apparatus for coupling an attachable tool to a handle comprising a coupler device fixedly attached to the handle and having a locking structure moveable between locking and release conditions and being carried by a coupler body having an inner wall defi...
07/26/2005
6135461Chuck for drilling and chiseling tools
A chuck for drilling and chiseling tools and including a receiving sleeve at least one through-opening formed in a sleeve wall at least one locking member supported for a limited pivotal movement about a pivot axis, which extends substantially perpendicul...
10/24/2000
5044421Rotary pneumo-hydraulic clamp
A rotary clamping device is used to clamp an investment casting within a cleaning center to permit cutting and cleaning of the investment from the casting. The clamping device includes a piston and cylinder unit which is advanced to shift a clamping assem...
09/03/1991
4756538Device for clamping drill pipe and the like in mouse hole pipe
The invention relates to a clamping device used for making up or breaking apart joints of drill pipe, drill collars and the like in mouse hole pipe during oil drilling operation. A clamping means of the device firstly clamps the drill pipe therebetween du...
07/12/1988
4576528Rotary tool holder
A rotary tool holder for use with an automatic or semi-automatic tool grinding machine is disclosed. The tool holder includes a rotating collet and spindle. The spindle is driven through a torque limiting coupling for protection against lock up. A shaft i...
03/18/1986
4523766Chuck assembly
A chuck mechanism includes an axially fixed part-positioning pilot coaxially surrounded by a fixed hollow closure sleeve. A cylindrical carrier slides within the sleeve and carries a plurality of part-engaging jaws. A dual area piston is pressure-operated...
06/18/1985
4269422Quick release locking chuck mechanism
A chuck assembly which is adapted for quick and easy engagement and disengagement with work arbors having various working tools mounted thereon. The chuck assembly comprises an elongate cylindrical chuck member having a longitudinal bore extending thereth...
05/26/1981
3999770Rotary cylinder and automatic collect holder
A rotary cylinder has a tubular drive shaft to one end of which is connected a collet holder and to the other end of which is connected an adjustable stop mechanism. A drive rod extends through the shaft and is connected at one end to a collet and at the ...
12/28/1976
 
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