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Class 269/274 - Nonmetallic


Subclass of Class 269 - Work holders
Definition: Device wherein the named work-engaging surface consists
No. of patents: 34
Last issue date: 01/08/2008


NumberTitleIssue Date
7316390Conduit clamping device
A conduit clamping device has an elongated substantially rigid base having a longitudinal axis. At least one axially extending elongated generally U-shaped channel is formed in the base and sized to receive at least a portion of a length of conduit of a given diamet...
01/08/2008
7249548Apparatus for cutting corrugated metal sheet
An apparatus for cutting a corrugated metal sheet is disclosed. The apparatus includes a table, a clamp assembly, and a cutting tool. The clamp assembly has a lower frame and an upper frame. A lower vibration absorbing pad is supported by the lower frame, and an upp...
07/31/2007
7134950Center clamp
A center clamp used with a machining tool having an annular edge has a C-shaped body having an inner end inside the edge and an outer end outside the edge and spaced from it along a clamp axis. A push rod extends along the axis through the outer body end. A rotary j...
11/14/2006
6702271Profile frames
A profile frame (1) for holding plane elements (3) in an essentially U-shaped accommodating profile (2), the one leg of the U of which is constructed as a stopping leg (4) for the plane element (3) and the other leg of the U of which is constructed essent...
03/09/2004
6492376Polyhydroxylated monocyclic N-heterocyclic derivatives as anti-coagulants
This invention is directed to poly-hydroxylated monocyclic N-heterocyclic derivatives selected from the following formulae: ##STR1## wherein Z1, Z2, R1, R2, R3, R4, R5, R6
12/10/2002
6305679Ski and snowboard supporting stand and method of employing same
A portable stand for holding snowboards and skis horizontal and upright during servicing, comprising two identical and free standing stations. Each station having one horizontal member having two temporarily connected support legs. The top surface of the ...
10/23/2001
6227549Insulated chuck jaw
A chuck jaw that is configured and arranged to be used in combination with other chuck jaws for securely retaining a rotatable accessory, such as a drill bit, in position in a chuck assembly, where the chuck jaw includes a chuck jaw body that defines a ge...
05/08/2001
6050559Bar clamp for wood manufacturing
The present invention provides a bar clamp made of lightweight parallel metal bars, e.g., aluminum, having movable or adjustable contacting attachment bodies which allow the clamp to be used for various applications. The bar clamp of the present invention...
04/18/2000
5971378Soft squeeze clamp and expansion device
A clamp is provided that has a pair of clamp bodies which each have an inner surface. The inner surfaces of each clamp body are oriented to face one another in a spaced parallel relationship. A pair of parallel scissors linkages are coupled to the device ...
10/26/1999
5924685Adjustable clamp
A work piece stock holding member that can be adjusted by a single handle or adjustment nut usable with a conventional channeled toggle clamp fixed to a working surface. The holding member has an internally and externally threaded collar having a single p...
07/20/1999
5765820Three-way spring clamp
A three-way spring clamp is provided that is useable as an edge clamp for applying clamping forces to workpieces in three directions. The clamp includes two lever arms, each having a jaw end and a handle end. The lever arms are pivotally connected to each...
06/16/1998
5722647Workpiece holder, particularly adapted for holding eyeglasses lenses
A workpiece holder, particularly adapted for holding eyeglasses lenses (L), comprises a support (12) on which there are arranged two clamps (14, 17, 117) for clamping each a portion of a lense. Each clamp defines an axis (A) which is substantially perpend...
03/03/1998
5491999Gripper means for stretcher leveler apparatus
The present invention is an element for gripping metal to be stretched by a stretcher leveler apparatus. The gripping element includes a first and preferably a second high density cast polyurethane gripping pad adapted for engagement with the metal to be ...
02/20/1996
5361813Wood patch cutting method and apparatus
An apparatus and method for making wood patches wherein an elongate piece of wood patch stock is inserted longitudinally into an end of the apparatus. The wood patch stock is incrementally moved toward cutting blades by a clamp mounted on a carriage. A ch...
11/08/1994
5305992Measuring fixture with gauge ball
Disclosed is a workpiece retention assembly including a plurality of measuring fixtures for supporting and positioning a workpiece. The measuring fixtures are aligned along a platform for positioning the measuring fixtures. The measuring fixtures include ...
04/26/1994
5246216Vise jaw attachment for irregular shaped workpieces
An attachment is adapted for mounting to a jaw of a vise for use with clamping irregularly shaped workpieces. The attachment comprises a pouch of pellets which are variably displaceable to conform to the surface contour of the workpiece. The pouch is moun...
09/21/1993
5243883Clamping jaw projectors
A plurality of jaw protectors are provided, each having a cavity to receive an associated jaw of a clamping member such as a vise, vise-grip pliers, and the like. The clamp jaws resiliently engage a respective exterior surface of a respective jaw to provi...
09/14/1993
5240234Clamp-on gutter holder
A clamp-on gutter holder, that removably attaches to the fascia board of a dwelling and allows the installer to temporarily position the gutter along the fascia board, align and then nail it at its desired location. Several of the devices are removably at...
08/31/1993
5188347Compressible microtome object holder
The present invention relates in one aspect to a compressible and/or deformable microtome object holder. The object holder may be in the same or similar shape as a wide variety of previous object holders, comprising a specimen plate having a textured or g...
02/23/1993
5181411Gripper means for stretcher leveler apparatus
A gripper means for use in a stretcher leveler apparatus in which the surface for engagement with the metal to be stretched comprises a smooth polymeric material most desirably of a thermoset polyurethane....
01/26/1993
5163661Door support clamp
A device for supporting and clamping workpieces, such as doors or boards, against the ends of vertically-set sawhorses legs in such a way that the edge of such workpieces is located at a convenient working height. Such operations as planing, hinge mortisi...
11/17/1992
4982593Gripper means for stretcher leveler apparatus
A gripper means for use in a stretcher leveler apparatus in which the surface for engagement with the metal to be stretched comprises a smooth polymeric material most desirably of a thermoset polyurethane....
01/08/1991
4834352Clamp
A spring clamp with a lower clamping jaw, an upper clamping jaw, a first handle portion extending rearwardly from and integrally connected with the lower clamping jaw, a second handle portion extending rearwardly from the upper clamping jaw, the upper cla...
05/30/1989
4770289Clamp bar for fixedly clamping a web against an article
A wrapping machine wherein article units are wrapped by a shrinkable web to form a package. The machine includes a conveyor which includes an upper article supporting run. The conveyor has regularly spaced openings and associated with the rear of each ope...
09/13/1988
4579322Cable vise
A workholding vise which comprises an elongated bottom plate and an elongated top plate. At least three legs are provided with structure for fixing the telescopic sections thereof in mutually fixed relationship. The apparatus includes structure for mounti...
04/01/1986
4564182Temporary support for gutters
An apparatus for temporarily supporting a gutter during the installation thereof is described comprising a vertically disposed inner frame member adapted to be movably secured to the fascia board positioned adjacent the edge of the roof. A horizontally ex...
01/14/1986
4538383Front surface grinding machine and method
Each workpiece holder of a grinding machine is reciprocated relative to and turned about an axis parallel to that of a wheelhead spindle. Workpieces carried by the holder are brought from in front of and to the side of an abrasive wheel front working surf...
09/03/1985
4538796Dolly
A load supporting dolly is provided with foot portions having underlying and spaced apart rounded heads for engaging and seeking a position of stability on an underlying floor and provided with inclined heel portions supporting rollers to which the weight...
09/03/1985
4519592Device for holding formation cores for boring
Disclosed is a fluid actuated core sample holding device for use with a boring drill press, the holding device having rotatable vise jaws and flat support surfaces adjacent the respective jaws and containing removable holding pins. The rotatable jaws perm...
05/28/1985
4335873Toggle bolt clamp
A toggle clamp has a bolt carried by a swinging clamping arm for generally axially and limited arcuate movement in a clamping operation against a workpiece. The clamping end of the bolt is removably secured within a socket in a polyurethane work engaging ...
06/22/1982
4265436Workpiece support device and auxiliary support body arrangement
An improved arrangement for mounting an auxiliary workpiece support body to a workpiece support device includes a restraining means for selectively inhibiting and enabling motion of the auxiliary support body in the direction of a longitudinal axis while ...
05/05/1981
4261555Optical vise
Disclosed herein is an optical vise used to securely fasten glasses thereto for performing maintenance functions, suitably constructed so that the glasses retained therein will not be marred or otherwise damaged while being repaired. The structure disclos...
04/14/1981
4252305Vise jaw cover
Vise jaw covers, each of which comprises a flexible, elongated panel made of soft, resilient, compressible material such as latex rubber, and having a relatively wide end portion severed along a U-shaped line to define an opening with an adjacent flap and...
02/24/1981
4027866Multi-face clamp for manufacturing or regluing of drawers, chairs or the like
A multi-face clamp for wood working which comprises a clamping unit including a plurality of corner pieces. Each of the corner pieces defines at least two pressure faces which are adapted to engage complementary faces of a work piece. Two threaded bolts e...
06/07/1977
 
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