...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8079123 | Puller that is assembled and disassembled easily and quickly A puller includes a main body provided with a plurality of support seats, a plurality of clamping members each pivotally and detachably mounted on a respective one of the support seats, a top cover mounted on the main body and provided with a plurality of pressing p... | 12/20/2011 |
| 7818860 | Bushing removal and insertion tool & methods of use A tool removes from, or inserts into, an arm of a wheel mounting for an automotive vehicle a bushing. The tool includes a press member configured to grip the arm while overlying the location in the arm for the bushing. A screw element passes through a portion of the... | 10/26/2010 |
| 7765666 | Bearing removal devices Load-balancing and bearing removal devices useful in removing bearings, such as rolling element bearings, for rotating machine maintenance and replacement. Insulation assemblies useful with bearing assemblies that fit in openings in bearing brackets of rotating mach... | 08/03/2010 |
| 7685688 | Forced puller A forced puller includes a central seat having a threaded hole centrally defined therein and extending therethrough. The central seat has two opposite sides each having a rod perpendicularly extending therefrom relative to an axis of the threaded hole. Two hook memb... | 03/30/2010 |
| 7653975 | Clamping apparatus of a puller A clamping apparatus of a puller includes a first clamping element, two second clamping elements, four pivoting elements and three adjusting rod modules. Each pivoting element is pivotally coupled to both ends of the first clamping element and an end of each second ... | 02/02/2010 |
| 7520041 | Quill shaft extractor for the 700 series aircraft An extractor tool used to remove the quill shaft unique to the General Electric T-700 series turboshaft engine when used as the powerplant for the AH-64A & D model Apache Helicopters. The extractor incorporates an alignment housing coupled with an extractor unit. Th... | 04/21/2009 |
| 7380324 | Gear puller jaw Apparatus and methods for removing a gear from a shaft. In one embodiment, the invention includes a slotted gear puller which engages the web of a gear and can be used to pull the gear from the shaft based on engagement of the gear puller with the gear in the area o... | 06/03/2008 |
| 7356926 | Removal 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 |
| 7328501 | Apparatus, a system for separating a gear from a camshaft An apparatus, a system and a method are provided to separate a gear from a shaft. The apparatus, the system and the method implement a base plate, a handle, a face plate, a first fastener, a second fastener, and/or a press. The gear is attached to a shaft of a motor... | 02/12/2008 |
| 7322087 | Bearing 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 |
| 7272886 | Bearing press support adaptor A support adaptor assembly for a bearing press comprising a rectangular shaped header plate (1), a pair of adjustable support rods (4) each with an adaptor (9) on one end for providing a means of supporting an object (50) to be worked on ... | 09/25/2007 |
| 7250016 | V-belt drive coupling An apparatus for manually uncoupling a V-belt drive from an active power source. The apparatus is mounted on the end of a pulley of the V-belt drive and is comprised of a tapered member connected to the output shaft of the power source for engaging in holding relati... | 07/31/2007 |
| 7232167 | Cam-action pipe puller A cam-operated pipe puller for pulling and extracting a pipe through a conduit wherein the pipe puller has members for grasping the inner sides of the pipe and apparatus attached to the grasping members for holding the grasping members in a retained position as they... | 06/19/2007 |
| 7228609 | Extractor 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 |
| 7216409 | Gear puller A gear puller has a screw shaft, a connecting seat, multiple paws and a fixed element. The screw shaft is attached to a shaft and has a hexagonal head and a tip. The connecting seat is connected rotatably to the screw shaft and has a body, a threaded stub and multip... | 05/15/2007 |
| 7076851 | Hand tool for inserting and removing rail fastenings A hand tool designed for installing and extracting the elastic fastenings of railroad rails. The hand tool comprises a base body, mounted movably to the underside of which is an active part which acts on the fastening that is to be inserted or removed. A rotating he... | 07/18/2006 |
| 7059032 | Door hinge repair apparatus and method Apparatus for use in repairing, and methods of repairing, a door hinge of a vehicle includes use of a substitute hinge bracket and at least one pin configured to be received through at least one opening of a vehicle frame bracket. A locking portion of the at least o... | 06/13/2006 |
| 7003877 | Cylinder liner remover A novel apparatus and method to engage a liner in an cylinder of an engine is provided. A wedge and rod are utilized as part of a liner remover assembly to move at least one collet axially to engage the liner. In a preferred embodiment, a novel eyehook is provided a... | 02/28/2006 |
| 6951049 | Extractor, in particular for extracting center pins An extractor is provided for extracting a pin or another component which is pressed into a hole and protrudes from the hole with a cylindrical section. The extractor has a gripping element, which has a tubular basic body, is axially adjustable in a guide tube and is... | 10/04/2005 |
| 6935004 | Propellor puller device The invention relates to an improved propellor puller device for pulling a propellor hub from a marine engine. The propellor puller has a hub base member that has a central axis and a multiplicity of puller arms extending radially from the central axis. A threaded b... | 08/30/2005 |
| 6910252 | Apparatus for removing a fastener from a workpiece An apparatus is provided for removing a fastener from a corresponding aperture defined by a workpiece that reduces or eliminates damage to the fastener and/or the workpiece. The apparatus includes a pulling plug for engaging the head of the fastener, and a drive sha... | 06/28/2005 |
| 6877198 | Cylinder liner remover and installer A liner remover and installer assembly for a cylinder that includes a base having an opening to receive a rod with a tool at an end, an adjustment member and a support member. The support member can have an alignment feature adapted to mate with a dowel pin on an en... | 04/12/2005 |
| 6745447 | Extractor for bushing and its associated method of use 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... | 06/08/2004 |
| 6684472 | Sleeve 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 |
| 6665921 | Puller apparatus and method for pulling An improved puller apparatus for pulling various articles, including automotive pitman arms, includes a puller frame having a base and at least one upstanding arm extending therefrom, the arms having inwardly extending gripping projections for transmittin... | 12/23/2003 |
| 6665918 | Harmonic damper pulley removal tool A tool for removal of a pulley from a shaft includes articulated arms mounted on a hub with a thrust bolt provided to drive the hub and attached arms outwardly from a shaft on which the pulley is mounted. The arms comprise jaw members which in combination... | 12/23/2003 |
| 6601279 | Piston pulling apparatus A piston pulling apparatus constructed like a mandrel; having top and bottom ends and a cylindric periphery body defined by an array of piston bowl gripping segments having tops and bottoms and lying longitudinally between the top and bottom ends. The top... | 08/05/2003 |
| 6601278 | Puller tool This invention relates to an improved impeller puller where a first jaw is arranged proximate a first end of an elongate support frame and a second jaw, is movably mounted along the support frame spaced from the first jaw, with both jaws extending radiall... | 08/05/2003 |
| 6601277 | Puller tool for bolt seals and the like A puller tool for separating a security pin from a mated female part comprises an outer sleeve having an axially extending passage, a radial detent shoulder about the passage at one end of the sleeve, an actuating bolt including a threaded shank axially i... | 08/05/2003 |
| 6591469 | Bushing removal and installation tool A special purpose tool for manual installation and removal of bushings or sleeve bearings from press fit bearing housings within automotive engines, transmissions, and other machinery with no resultant damage to the housing is disclosed. The present tool ... | 07/15/2003 |
| 6560836 | Hand tool for extracting bolts The hand tool for extracting bolts is a specialized marine oriented bolt extractor for use in extracting what are commonly called "Body Bound Bolts" from motor vessel shaft couplings. The body of the bolt extractor would be made of heavy duty steel and co... | 05/13/2003 |
| 6415491 | Device for replacing toothed belt pulleys on motor vehicle engines The device (1) for replacing toothed belt pulleys (61) on motor vehicle engines (65) includes a pull-off disk (2), which is provided with at least two tie rods (7, 8, 9, 10). To pull off the toothed belt pulley (61), the tie rods (7, 8, 9, 10) can be enga... | 07/09/2002 |
| 6311380 | Device for mounting bearings onto a shaft A device for mounting a bearing onto a shaft includes a tubular pushing member having three wings extending radially outward therefrom. Each of the wings has a rod slidably and perpendicularly connected thereto so as to contact the bearing on the shaft. A... | 11/06/2001 |
| 6305061 | Combination steering wheel puller and locking disc removal and installation tool for vehicles A combination tool provides for removing a steering wheel from its press fit on a steering wheel shaft in a vehicle, or for compressing the locking disc disposed beneath the steering wheel hub for removal of its retaining ring and of the disc after the st... | 10/23/2001 |
| 6276036 | Motorcycle fork tube bushing and seal driver A bushing and seal driver 10 for motorcycle fork tubes that includes opposing bushing and seal ends 18 and 20 configured and longitudinally dimensioned to insert a corresponding bushing 30 or seal 38 into a motorcycle fork tube 16 a predetermined distance... | 08/21/2001 |
| 6266859 | Power steering pump pulley removal tool A power steering pump pulley removal tool has a pair of jaws mounted by mounting fasteners on opposite faces of a hub which has a threaded passageway extending axially therethrough. The jaws are in longitudinal alignment with one another and the passagewa... | 07/31/2001 |
| 6266860 | Puller for removing a pulley from a shaft A puller useful in removing a pulley assembly from a crankshaft is provided by the present invention. The puller is particularly useful for removing a multiple pulley assembly where the pulleys may be damaged as a result of too much force on the outer par... | 07/31/2001 |
| 6185817 | Tool for removing a propeller from a drive shaft A tool for removing a propeller from a drive shaft having a damaged shear pin. The tool has a plurality of fingers for engaging the blades of the propeller and an advancement member for leveraging against the distal end of the shaft. The advancement membe... | 02/13/2001 |
| 6158110 | Bearing installer/remover and method A bearing installer/remover, for installing and removing a bearing from a panel having a bearing seating passage through it, has a bridge with integral legs engaging a panel surface and straddling the bearing. The bridge has a threaded hole in it. The bea... | 12/12/2000 |
| 6092279 | Bearing puller A bearing puller for removing from a shaft a bearing having a tapered eccentric flange on its inner race includes a cylindrical tube disposed within an outer cylindrical housing. The puller tube is capable of sliding displacement within and along a portio... | 07/25/2000 |