| Patent Number |
Title Of Patent |
Date Issued |
| D488363 |
Open-end wrench head |
April 13, 2004 |
|
| D438438 |
Handle |
March 6, 2001 |
|
| D430426 |
Tool chest |
September 5, 2000 |
|
| D428787 |
Jacket for air tool |
August 1, 2000 |
|
| D423891 |
Ratchet |
May 2, 2000 |
|
| D422192 |
Ratchet handle |
April 4, 2000 |
|
| D421888 |
Ratcheting screwdriver handle |
March 28, 2000 |
|
| D419837 |
Compact folding wrench |
February 1, 2000 |
|
| D410830 |
Impact wrench |
June 8, 1999 |
|
| D409776 |
Cordless fluorescent light |
May 11, 1999 |
|
| D404276 |
Cordless impact wrench |
January 19, 1999 |
|
| 6655240 |
Insulating driver with injection molded shank and fluted working tip |
December 2, 2003 |
| An insulating hand tool has an elongated shank injection molded of a high-strength, electrically insulating material, such as glass-reinforced nylon, and a handle formed of an electrically insulating material. The handle and the shank may be molded together in a unitary, one-piece co |
| 6463811 |
Bending beam torque wrench |
October 15, 2002 |
| A torque indicating wrench has a resilient beam with a handle end and a work-engaging end carrying a ratchet mechanism. The resilient beam is generally channel-shaped in transverse cross section and is tapered in thickness from the work-engaging end to the handle end. A reference beam |
| 6411096 |
Scope analyzer for direct ignition engines |
June 25, 2002 |
| An engine analyzer stores acquired cylinder waveform data in circular buffers respectively associated with the cylinders in accordance with cylinder selection by the user, with each buffer including a plurality of storage cells respectively storing data for individual firing cycles of |
| 6405621 |
Ratchet wrench with multi-position ratchet head |
June 18, 2002 |
| A ratchet wrench is provided which includes a ratchet head having a part-cylindrical surface with head teeth thereon and an elongated handle hingedly coupled to the head. The handle has first and second handle ends, an axis extending between the ends and an axial first bore opening at th |
| 6297646 |
Electrical tester for small motor vehicles |
October 2, 2001 |
| A tester includes a housing containing a passive test circuit including a plurality of LEDs respectively connected to terminals of a multi-terminal connector jack on the housing for connecting the tester, by means of an associated cable harness, between a keyswitch module and other elect |
| 6260445 |
Ratcheting composite screwdriver |
July 17, 2001 |
| An insulating ratcheting screwdriver includes an elongated composite shank formed of electrically insulating material and provided with a bit holder at a working end thereof. The other end of the shank has an axial recess in which is disposed one end of a hexagonal connecting pin, the ot |
| 6254438 |
Battery side-terminal adapter and Kelvin connector |
July 3, 2001 |
| A battery connector (20) is provided that can be especially useful as a side-terminal adapter for use with a Kelvin connection. In one form, the connector comprises an insulator (70) sandwiched between an elongated first conductor (30) having a longitudinal axis and an elongated second |
| 6242921 |
Alternator testing apparatus and method |
June 5, 2001 |
| An alternator test apparatus includes a processor and solenoid drivers for controlling solenoids to selectively switch three discrete, fixed-resistance loads and combinations thereof in parallel across the battery terminals, while monitoring battery output voltage and alternator outp |
| 6227308 |
Reversible impact mechanism with structure limiting hammer travel |
May 8, 2001 |
| An impact mechanism, such as an impact wrench is provided and includes a motor, a shaft rotatable about an axis and coupled to the motor and having a first shaft groove with first and second axial ends and a hammer disposed about the shaft and having a first hammer groove. A ball is |
| 6225972 |
Oscilloscope display with rail indicator |
May 1, 2001 |
| A digital engine analyzer includes an ADC which can become railed to clip an acquired waveform signal. The analyzer has a waveform display system which displays an indication of the rail level and the fact that a displayed waveform representation is clipped at the rail level. In one |
| 6216566 |
Insulating composite breaker bar |
April 17, 2001 |
| A composite insulating breaker bar includes an elongated shaft formed of pultruded glass/polyester material, having a reduced end adhesively secured in an axial bore in a plastic handle, and a working end adhesively received in one end of a composite sleeve made of alternating layers of |
| 6199642 |
Reversible ratcheting power tool with synchronized motor and ratchet control |
March 13, 2001 |
| A reversible ratcheting electric power tool has a reversible DC electric motor having an output coupled to drive a drive shaft through a reversible ratchet assembly. The tool housing has a reversing mechanism which includes a manually operable reversing cap rotatable about the axis of th |
| 6199383 |
Pneumatic tool and air deflector boot therefor |
March 13, 2001 |
| A combination pneumatic tool and protection boot are provided. The pneumatic tool has a housing and an exhaust port for transmitting exhaust air from the tool along a path. The protective boot is disposed about the housing and has a deflector disposed in the path of the exhaust air for |
| 6185945 |
Isolated refrigerant identifier |
February 13, 2001 |
| A refrigerant handling system includes a cabinet having two service ports and two sample ports and housing recycling/recharging apparatus coupled to the service ports and a refrigerant identifier coupled to one of the sample ports and coupled through solenoid-actuated valves to the r |
| 6158526 |
Reversible impact mechanism with structure limiting hammer travel |
December 12, 2000 |
| An impact mechanism, such as an impact wrench is provided and includes a motor, a shaft rotatable about an axis and coupled to the motor and having a first shaft groove with first and second axial ends and a hammer disposed about the shaft and having a first hammer groove. A ball is |
| 6155354 |
Interchangeable grips for power hand tools |
December 5, 2000 |
| A replaceable, flexible and resilient grip is slidably fitted over a generally cylindrical handle portion of a power hand tool housing. In one embodiment, for use with a pistol grip housing with a separable end cap, the grip has a flange which is clamped between the end cap and the barre |
| 6141608 |
System for dynamic diagnosis of apparatus operating conditions |
October 31, 2000 |
| A diagnostic platform includes a processor, storage media and user interfaces, including a display screen, the processor being coupled to engine analyzer hardware and adapted to be coupled to a scanner for downloading data from vehicle on-board computers. The system stores libraries |
| 6139359 |
Cordless screwdriver and multi-position battery pack therefor |
October 31, 2000 |
| A battery-powered driver tool has a tool housing with a socket-type coupler which receives a plug-type coupler of a battery pack in any of four different rotational orientations. Four keys on the battery pack are received in four keyways on the tool housing for non-rotatable engagement, |
| 6135584 |
Vertical drawer with catch basin and storage chest containing same |
October 24, 2000 |
| A storage chest, or tool cabinet, is provided. The storage chest includes a wall structure defining an open-front compartment, and at least one upstanding drawer slidable into and out of the compartment through the open front. Each drawer includes an upstanding holding panel having upper |
| 6125722 |
Ratchet wrench with sealed reversing lever |
October 3, 2000 |
| A reversible ratchet wrench has a ratchet body with a cavity receiving the ratchet assembly. A pawl-engaging reversing lever is insertable through an opening in the ratchet body from the cavity and has a flange dimensioned to be trapped between the body and the pawl. A seal between the r |
| 6113200 |
Compartment with vertical drawers and structure for allowing only one vertical drawer to be outs |
September 5, 2000 |
| A cabinet is provided which includes wall structure defining an open-faced compartment containing a plurality of upright drawers or panels mounted in the compartment for movement from a first position totally within the compartment to a second position extending out of the compartment. T |
| 6109141 |
Biasing structure for ratchet wrench pawl |
August 29, 2000 |
| A biasing structure for maintaining a pawl in engagement with a toothed gear of a ratchet wrench is provided. The structure includes an elongated plunger having an axis, a pawl engagement end, a spring insertion portion having a free end, a central portion connecting the engagement end t |
| 6101907 |
Interference fit joint and method and indexable ratchet wrench utilizing same |
August 15, 2000 |
| An interference fit joint is provided and includes a first member having a plurality of internal splines separated by valleys and defining a splined aperture having a first axis. Each of the internal splines has a crest and first and second internal sides and is symmetrical about a plane |
| 6082468 |
Interchangeable grips for power hand tools |
July 4, 2000 |
| A replaceable, flexible and resilient grip is slidably fitted over a generally cylindrical handle portion of a power hand tool housing. In one embodiment, for use with a pistol grip housing with a separable end cap, the grip has a flange which is clamped between the end cap and the barre |
| 6082177 |
Nitric oxide enhanced response circuit for gas analyzer |
July 4, 2000 |
| An exhaust emissions analyzer for an automotive internal combustion engine has sensors for detecting constituents of the exhaust emissions, including a nitric oxide cell which receives the emissions and outputs an electrical signal indicative of nitric oxide in the emissions. An R-C circ |
| 6079298 |
Ergonomic handle and driver incorporating same |
June 27, 2000 |
| A palm driver has a rotatable drive member and an ergonomic handle body connected to the drive member through a ratchet mechanism and covered by a cushioning grip. The handle body is asymmetrically curved and is substantially continuously convex along portions engageable in use with |
| 6070506 |
Ratchet head electronic torque wrench |
June 6, 2000 |
| A ratcheting electronic torque wrench has an input beam in the form of a hollow housing with a handle end and a work end, a ratchet head disposed within the work end of the housing and rotatable relative thereto and a reaction beam disposed within the housing and having one end fixed to |
| 6070501 |
Mini ratcheting screwdriver with latching swiveling handle |
June 6, 2000 |
| A ratchet tool has a ratchet body carrying a ratchet mechanism including a gear and a pair of pawls resiliently urged into engagement with the gear by spring-loaded balls. A handle is releasably received on a post which projects from one end of the ratchet body and is retained thereon by |
| 6062323 |
Pneumatic tool with increased power capability |
May 16, 2000 |
| A pneumatic tool includes a housing defining an air inlet and first and second exhaust passages and an air motor fluidly coupled to the air inlet and disposed in the housing. The motor produces exhaust air in operation and is fluidly coupled to the first and second exhaust passages. The |
| 6043575 |
Power tool with air deflector for venting motor exhaust air |
March 28, 2000 |
| A power tool is provided and includes a tool housing having interior and exterior surfaces and inlet and outlet air vents and a motor disposed in the tool housing and having a motor housing with an external surface and inlet air ports for the passage of cooling air into the motor and out |
| 6027099 |
Tip valve for pneumatic tool |
February 22, 2000 |
| A tip valve for a pneumatic tool includes a first valve member having a bore with a central axis and defining a valve seat about the bore and a second valve member having an engaging surface engageable with the valve seat to form a substantially fluid-tight seal therewith. A stem is coup |
| 6019022 |
Multi-purpose screwdriver |
February 1, 2000 |
| A combination screwdriver, scraper and prybar has a handle with an elongated shank terminating in a multi-function blade. The blade has opposed, flat, planar blade faces converging toward and joined by a distal planar end surface which intersects and is perpendicular to the longitudi |
| 6003411 |
Cam-lobed salvage tool |
December 21, 1999 |
| A salvage tool for removing worn, damaged or seized threaded fasteners includes a socket body having formed therein a fastener-receiving recess with an axis of rotation, the recess having a plurality of substantially flat planar surfaces arranged in a polygonal configuration and subs |
| 6000888 |
Quick coupler mechanism for power tool bits |
December 14, 1999 |
| A pneumatic impact power tool has a tool body with a bit-receiving axial bore in its end surface. A cap is threaded on the end of the tool body and has an end wall spaced from the end surface to define a cavity and a lobed opening in the cavity matably receiving a like-lobed bit shank, t |
| 5992956 |
Inclined slide assemblies for vertical drawers |
November 30, 1999 |
| A tool cabinet has a plurality of vertically-oriented drawers, each slidably supported at its upper and lower ends by upper and lower drawer slide assemblies, wherein each slide assembly is coupled between facing support surfaces on the drawer and the cabinet frame, which surfaces are |
| 5992540 |
Air ratchet hand tool with thermoplastic jacket |
November 30, 1999 |
| An air ratchet hand tool has an elongated, generally cylindrical handle portion with an axial air inlet passage therethrough, and having an outer surface with two longitudinally extending channels formed therein, each communicating with the air motor. A thermoplastic grip jacket covers t |
| 5979532 |
Versatile tire lever |
November 9, 1999 |
| A tire lever is adopted for use in removing a tire having a bead from a bicycle wheel rim having a plurality of spokes disposed thereon. The lever includes an elongated body having an axis, and including a tire engagement end for engaging the bead of the tire, a top surface, a bottom sur |
| 5973274 |
Vehicle weighing system for dynamometer |
October 26, 1999 |
| A dynamometer, which includes a frictional drive assembly for engaging a pair of vehicle tires, and a lift assembly including two air bags for respectively lifting the vehicle tires and the associated portion of the vehicle to a raised position out of engagement with the drive assembly, |
| 5930899 |
Molding and emblem removal tool |
August 3, 1999 |
| A pneumatic scraping tool includes a pneumatic hammer assembly including a cylinder in which a piston reciprocates for repeated impact against an anvil or blade holder which is rotatably received within an end of the cylinder and carries a scraping blade. The anvil has an annular flange |
