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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 279/47 - Threaded sleeve and wedge


Subclass of Class 279 - Chucks or sockets
Definition: Devices wherein a spring-collet or other spring-jaw member
No. of patents: 16
Last issue date: 04/01/2008


NumberTitleIssue Date
7350628High force locking spring
A spring system for relatively displacing elements attached to end mounts of the spring system. The spring system includes a housing having an axis, an internal chamber, and axially opposite bottom and top ends, a spring rod coaxial with the axis and positioned with...
04/01/2008
7284936Tool bit and collet assembly and method
A tool bit and collet assembly, and method of assembling, wherein there is a collar for holding the collet in the radially inward position to thereby hold the tool bit. Camming surfaces are between the tool bit and the collet, and between the collet and the collar, ...
10/23/2007
7264429Tool free collet assembly
A collet assembly, for selectively attaching a tool accessory to a tool, having a collet nut rotatably connectable to the tool, a collet compressible by the collet nut, and a torque application feature movably connected with the tool. The torque application feature ...
09/04/2007
7261302Collet and lock nut assembly
A collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a plu...
08/28/2007
7137185Tool holder for shrink-fit attachment of rotating tools with predominantly cylindrical shafts
The invention relates to a tool holder (10) for shrink-fit attachment of rotating tools (11) with predominantly cylindrical shafts (12), having a chuck (13) with a clamping section (14) containing a conical receiving bore (15
11/21/2006
7114728Rapid detached connecting device
A rapid detached connecting device comprises a rod body having an engaging portion; the rod body having a hollow body; an engaging block installed within the rod body; the engaging block having a stop block; a buckling unit inserted into the engaging portion for lim...
10/03/2006
6923451Tool holder
In order to provide a tool holder which greatly reduces frictional resistance between a locknut and a taper collet, and eliminates a twisting of the taper collet during tightening of the locknut, in a tool holder comprising a locknut 13 which pushes a taper c...
08/02/2005
5947485Collet assembly and manufacturing process
An Improved Collet Assembly and Manufacturing Process is disclosed. Also disclosed is an improved collet that includes a spindle, a center portion comprising several tabs and a collar. The disclosed collet is manufactured from a single piece of stock, and...
09/07/1999
4725064Chuck apparatus for workpieces or tools having a clamping sleeve of variable size
Chuck apparatus for workpieces or tools with a base body provided with a cylindrical borehole and a concentrically thereto arranged cylindrical clamping sleeve of variable size with internal and external annular recessed grooves displacedly arranged relat...
02/16/1988
4699389Workholder
A workholder arrangement which employs a support module which can have one of several different workpiece-engaging units interchangeably mounted thereon so that the same workholder module can be readily adapted to function several different ways, such as ...
10/13/1987
4632407Inside/outside chucking device
For selective outside or inside chucking of a workpiece on a lathe use is made of a base unit split to provide a set of three or more holding segments capable of being either contracted for grasping the exterior of a workpiece or spread for grasping the i...
12/30/1986
4619567Bit holder with impact release mechanism
A bit holder for automatic printed circuit board drilling machines, the bit holder incorporating a snap ring as a retaining mechanism that releases under abnormally high impact conditions to prevent damage to the bit holder parts....
10/28/1986
4582332Spring chuck
A spring chuck has a clamp member opening mechanism comprising a guide groove formed in a rotating shaft and inclined in one direction, a guide groove formed on a wall surface of a bar stopper and inclined in the other direction opposite to the one direct...
04/15/1986
4575293Machine tool holder having opposed ramp members
A machine tool holder comprising a body is operably mountable on a material working machine. The body is provided with a bore adapted to receive the shank of a tool, which shank has at least two ramp surfaces. Clamping members comprising at least two ramp...
03/11/1986
4245709Removable drill string stabilizers
A stabilizer sleeve, or other sleeve, to be releasably mounted on a drill collar for centering a drill string in a well bore, includes an outer stabilizer sleeve to be mounted on the cylindrical periphery of the drill collar and having an internally threa...
01/20/1981
4202644Mounting device
A mounting device for anchoring a machine element coaxially on a rotary shaft. The device fits between the interior cylindrical bore of the machine element and the internal cylindrical surface of the shaft and is effective to position the element at any d...
05/13/1980
 
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