Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
03/1992
03/17/1992US5095781 Ratchet spinner
03/11/1992CN2098349U Quick rotating tool rein operated with one hand
03/10/1992US5094301 Programmable pulsed torque recovery system
03/10/1992US5094133 Screwdriver with switch-off means for screw-in depth and screw-in torque
03/05/1992WO1992003262A1 Tightening device for a threaded fastener
03/04/1992CN2097720U Position screwdriver
03/03/1992US5092460 Method of and apparatus for fastening a fastening member
03/03/1992US5092410 Adjustable pressure dual piston impulse clutch
03/01/1992CA2024501A1 Surface protective fastener tool
02/1992
02/26/1992CN2097071U Dual-purpose screwdriver
02/26/1992CN2097068U Magnetic screwdriver
02/25/1992US5090545 Screw gun nose cone adapter
02/25/1992US5090275 Retainer apparatus for a wrench unit
02/19/1992CN2096452U Hand screwdriver
02/19/1992CN2096451U Multipurpose combined tool for repairing instrument
02/18/1992US5088360 Universal lock-on wrench
02/18/1992US5088359 Fastener nose piece feeder
02/13/1992DE4025430A1 Torque controlled screwing head - has electroacoustic sensor to measure distortion of bolt under torque
02/12/1992CN2095744U Numerical controlling indirect fixing torque device for pneumatic wrench machine
02/12/1992CN1058637A Retaining pin module
02/06/1992DE4024577A1 Controlling tightening force of bolt connection - by tightening, releasing, retightening using force computed from torque angle differential, achieved torque and bolt pitch
02/05/1992EP0469386A1 Hand power screwdriver
01/1992
01/29/1992EP0468859A1 Screwing tool with predeterminable torque
01/29/1992CN2094464U Pendulum rod striking tyre spanner
01/29/1992CN2094430U Micro computer controlled torque machine
01/29/1992CN2094429U Anti-slip screw driver
01/28/1992US5083483 Screw positioning device
01/28/1992US5083358 Method of preventing twisted-off bolt head while tightening a bolt
01/22/1992EP0467262A1 Device for tightening threaded fasteners during ultrasonic action for assembly purposes
01/22/1992CN2093725U Screwdriver with gripping means
01/21/1992US5082066 Torque impulse delivering power tool
01/15/1992EP0466675A1 Tool, especially wrench
01/15/1992EP0466609A1 Tool for placing insertable clamps
01/15/1992CN2093072U Torsion, twisting angle inertia dynamic spanner
01/15/1992CN2093071U Magnetic multipurpose rotating utensil
01/15/1992CN2093070U Clamp type screwdriver
01/15/1992CN2093069U Screwdriver with claw
01/15/1992CN2093067U Screwdriver with revolving handle
01/15/1992CN2093066U Dual-purpose screwdriver
01/15/1992CN1057805A Multipurpose screw driver
01/14/1992US5080181 Pressure detecting device for torque control wrench
01/14/1992US5080157 Seal for use between relatively rotating members
01/09/1992WO1992000164A1 Illuminated screwdriver
01/08/1992EP0464434A1 Device for fixing fasteners with an arranged profile part unter the fastener head
01/08/1992EP0433284A4 Locking socket wrench drive device
01/08/1992CN2092413U 万能工具手柄 Universal Tool handle
01/08/1992CN2092411U Screwdriver with removable heads
01/08/1992CN2092410U Screwdriver with two heads
01/02/1992EP0463521A1 Method and device for controlling the working of electrically powered hand-tools
01/01/1992CN2091748U Screwdriver with clamping head
12/1991
12/31/1991US5076480 Variable pitch feed of fasteners
12/31/1991CA1293623C Apparatus and method for determining torque and presenting digital torque readout in a torque wrench system
12/27/1991EP0462835A2 Pneumatic collar installation tool
12/27/1991EP0462257A1 Die chuck for multiple-cornered ends of tool spindles.
12/25/1991CN2091211U Sleeve piece torque fixed spanner
12/25/1991CN2091210U 磁性螺丝刀 Magnetic screwdriver
12/25/1991CN2091207U Multi-functional screwdriver
12/25/1991CN2091206U Multi-functional screwdriver
12/24/1991US5074172 Spark plug socket wrench
12/22/1991CA2045221A1 Pneumatic collar installation tool
12/19/1991CA2044088A1 Screw driving machine with a belt support and guidance mechanism
12/18/1991CN2090757U Tool for screwing off and on
12/17/1991CA1293142C Supplementary device for inserting screws by means of a power-driven screw driver
12/12/1991WO1991019061A1 Device for fastening web-, plate- and/or profile-type components to a solid substructure
12/12/1991WO1991018707A1 Self-contained lock wire securing tool
12/12/1991DE4017984A1 Adaptor for bolt spanner for controlled tightening - has torque digital indicator and simple programming using rotatable control ring
12/11/1991EP0460920A1 Ultrasonic transducer socket assembly
12/11/1991EP0460176A1 Improved composite wrench.
12/11/1991CN2090308U Screwdriver with illuminating device
12/11/1991CN2090307U Screwdriver with pliers
12/10/1991US5070750 Torque limiting apparatus
12/07/1991CA2043923A1 Ut socket assembly
12/04/1991CN2089866U Electrician tool for hanging on bosom
12/04/1991CA2018143A1 Palm pad
11/1991
11/27/1991EP0458449A1 Driver with fastener retention means
11/27/1991EP0458447A2 Expandable drive tool tip for screw retention
11/27/1991EP0458145A1 Stud driving chuck
11/26/1991CA1292395C Air tool with torque shut-off valve
11/26/1991CA1292376C Extension device for power screwdriver
11/20/1991CN1014781B Torque wrench
11/19/1991US5065898 Apparatus for orienting and injecting fasteners
11/19/1991US5065649 Device for holding fasteners
11/13/1991EP0455685A1 System to control a motor for the assembly or dis-assembly of two members.
11/07/1991DE4012072A1 Pliers guiding screws into position - can then tighten screws, using jaws pivoting on balls
11/06/1991EP0454835A1 Wrench
11/05/1991US5062491 Apparatus for controlling nut runner
10/1991
10/30/1991EP0454375A2 Screwing device
10/30/1991EP0453650A1 Ultrasonic drive/sense circuitry for automated fastener tightening
10/30/1991CN2087556U Hydraulic assembling/disassembling fastener device with power source
10/29/1991US5061885 Power screwdriver
10/29/1991US5060772 Power-operated tool
10/29/1991US5060771 Adjustable automatic shut-off mechanism for lever or trigger controlled air tool
10/29/1991US5060733 Power-driven screwing tool
10/28/1991CA2032326A1 Ultrasonic drive/sense circuitry for automated fastener tightening
10/22/1991US5058439 Ut socket assembly
10/16/1991EP0452292A1 A socket holder
10/16/1991CN2086649U Multifunctional clyburn spanner
10/16/1991CN2086648U 改锥 Screwdriver
10/15/1991US5056684 Roofing washer-dispensing machine
10/15/1991US5056387 Screw-holding screwdriver