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Class 29/262 - Pivotal grippers on screw


Subclass of Class 29 - Metal working
Definition: Apparatus which have pivotal grippers mounted on the article
No. of patents: 27
Last issue date: 04/15/2008


NumberTitleIssue Date
7356926Removal tool and method of removing a bearing assembly
A compact removal feature comprises a plurality of recesses, such as radius slots, on an inner diameter (ID) of a bearing inner ring. The removal tool can engage the removal feature and remove the entire bearing assembly without damage to the parts. The placement of...
04/15/2008
7322087Bearing installing and removing tool
A bearing installing and removing tool includes a driving unit and a link unit, wherein the driving unit has a threaded rod on which an adjusting member of a connection frame is threadedly mounted. The connection frame has a guide rail and a pivotable portion so as ...
01/29/2008
7263765Marine bearing alignment and insertion tool
A bearing alignment and insertion tool wherein a gimble bearing must be rotatably aligned with a grease fitting during insertion. The tool utilizes an alignment shaft with a cylindrical mounting sleeve slidably positioned thereon. A mounting plate secures the tool t...
09/04/2007
7228609Extractor
To extract a bushing from a housing, a number of cylindrical engaging elements are inserted in the bore of the bushing. The elements are clipped together by clips and have a lip which bears on the bushing end surface. An extractor head pushes on the elements to forc...
06/12/2007
7191504Universal bushing tool and method of use
A universal bushing tool for removing bushings of various diameters from machine assemblies is disclosed. The present tool comprises a handle, a plurality of interchangeable handle extensions, a plurality of sets of interchangeable wedge segments, and a plurality of...
03/20/2007
7157372Coaxial through chip connection
A method performed on a wafer having multiple chips, each including a doped semiconductor and substrate, involves etching an annulus trench partially into the substrate, metalizing the annulus trench with a metal, etching a via trench within the periphery of the ann...
01/02/2007
6978528Drain basket support tool
A drain basket support tool includes a tubular housing that has a top end a bottom end. Each of a pair of rods extends through the tubular housing and each of the rods includes a pair of arms. Each of a plurality of extension members has a first end and a second end...
12/27/2005
6684472Sleeve for pulling tool, corresponding pulling tool and corresponding method of removal
A pulling tool (1) of the type used on the end of a shaft (2) to remove a mechanical part (3) that is force-fitted or stuck to the shaft (2). The tool includes a threaded rod (20) and a body (5) to which legs (6) are hinged. A sleeve is designed to be mou...
02/03/2004
6665919Windshield wiper arm puller
An apparatus for removal of a windshield wiper arm or bracket and blade assembly from a threaded stud or shaft includes gripping jaws which are held in position by a cam that engages and pivots the arms into a desired gripping position. The apparatus furt...
12/23/2003
6609283Convertible external/internal puller device
A convertible external/internal puller device for pulling bearings and races from within and about objects such as shafts and axles and other machine parts. The convertible external/internal puller device includes a support frame; and also includes an elo...
08/26/2003
6581261Large size clamping device for detaching bearing
A large size clamping device for detaching a bearing having three cambered base blocks is disclosed. An inner edge of each base block is formed with a thinner top cambered surface. Each side of the base block has a penetrating connecting hole. Three conne...
06/24/2003
5424015Method and device for manufacturing rubber bend pipe
A method for manufacturing a curved rubber pipe is provided with a guide member (3) arranged concentrically with a mandrel (2, 402). A straight rubber semi-finished product (4) of an unvulcanized or semi-vulcanized rubber is inserted into the guide member...
06/13/1995
5408733Cylinder sleeve puller
A cylinder sleeve puller for use in combination with a cylinder positioned in an engine block and having a removable sleeve liner therein comprising a rigid support frame having a horizontal member supported by a pair of depending vertical ends, said vert...
04/25/1995
5355574Bearing changer
Tool for installing and removing anti-friction skate wheel bearings press fit in plastic skate wheels. A tubular shouldered split end passing through the inner race provides bearing engagement when spread by retraction of a conically headed rod projecting...
10/18/1994
5349736Method and tool for pulling clutch from washing-machine motor
A tool for pulling off the clutch mechanism of one specific make of washing machine. The tool has main mounting plate from each end off which passes therethrough an elongated screw. The mounting plate has an enlarged central hole for passing therethrough ...
09/27/1994
5167058Continuous reciprocating tube-stripping apparatus
A substantially continuous tube-pulling operation is performed through the use of a plurality of pulling deivces, each of which is designed to partially pull a tube from its associated holder. By operating the pulling devices in a consecutive and repetiti...
12/01/1992
4916792Clutch alignment tool
The invention provides a tool for aligning a clutch plate with a pressure plate. The tool includes an externally threaded tube having an adjustable clamping member engaged therewith for axial movement relative thereto. The tube comprises a stepped bore in...
04/17/1990
4845825Apparatus for repairing pallets
Apparatus for repairing broken stringers of wooden pallets and a method involving the use of the apparatus is disclosed. The apparatus comprises a pair of interconnected jaws having pads mounted on one end with magnets to secure studded repair plates to t...
07/11/1989
4738275Cartridge puller for hot and cold water mixing valve
A quick, lightweight cartridge puller for hot and cold water mixing valves operates to provide an increased mechanical force advantage while applying opposed relative forces between a valve cartridge and its value housing to avoid stressing wall and decor...
04/19/1988
4691424Pipe cap extractor apparatus
A tool for removing a cap from a pipe. A torque screw is threadedly mounted to a frame having a pair of downwardly extending legs to which is attached a ring slippable over and against a sewer pipe. A pair of fingers are pivotally and rotatably mounted to...
09/08/1987
4606245Opening mechanism for bottles having closure elements
An opening mechanism for bottles having closure elements including a brace positionable against the bottle with leverage structure operatively associated with the brace and being movable oppositely against the brace. A grasping clevis is movable in respon...
08/19/1986
4514890Tool assembly for removal and installation of freeze plugs
The tool assembly enables installation in and removal from a combustion engine block of freeze plugs. The puller component has a plug penetrating point which is forced through the plug to define an opening. Spreader segments associated with the point can ...
05/07/1985
4507837Extractor tool
An extractor tool for removing a die button from an opening in a die block into which the button has been securedly pressed. The die button has an axial opening therethrough. The tool includes a hollow expandible extractor insertable into and through the ...
04/02/1985
4429447Bearing cup installing tool
A bearing cup installing tool adjustable for installation of bearings of various diameters. The tool has a cross head with a driving handle connected thereto and extending from one side thereof. An adjusting screw associated with the cross head extends ou...
02/07/1984
4195398Pulling tool
A pulling tool comprises a brace having a base and two legs, a pulling means including a threaded shaft extending through an untreaded passage in the base, and a first nut screwed onto the shaft on the side of the brace opposite from the legs, a second nut scr...
04/01/1980
4123838Plumber's handle pulling tool
A plumber's handle pulling tool for pulling valve handles from valve stems includes an outer stabilizing clamp providing a pair of substantially "C" shaped stabilizing arms affixed to an outer bar element, an inner handle pulling clamp providing a pair of...
11/07/1978
4045856Pulling tool
A pulling tool is used for pulling an object relative to a support. The pulling tool includes a pole having means at one end for engaging an object to be pulled. A stop is affixed at a selected position on the pole. A threaded, rotatable sleeve loosely or...
09/06/1977
 
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