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Class 81/61 - Pivoted pawl


Subclass of Class 81 - Tools
Definition: A pawl pivoted to the driving device engages the ratchet-teeth
No. of patents: 106
Last issue date: 10/07/2008


1      
NumberTitleIssue Date
7430945Ratcheting torque wrench
A tool is provided for driving fasteners that includes a torque limiting mechanism therein. The torque limiting mechanism includes a first frictional engagement member disposed on the drive shaft for the tool that is engaged by one or more second frictional engageme...
10/07/2008
7421772Ratcheting driver with pivoting pawls and method of arranging same
A ratcheting driver for rotationally driving a piece and having a handle and pivotal pawls engageable with a driven gear and being capable of ratcheting and driving in both rotational directions. A cap is rotatable relative to said handle and it has a web for pivoti...
09/09/2008
7380481Pass through socket and ratchet wrench combination
A pass through socket (12) and wrench (10) combination is disclosed wherein a first drive member (22a, 22b) is provided on the socket's exterior surface and a second drive member (24) is provided on the front side of ...
06/03/2008
7353735Ratchet wrench
A ratchet wrench includes a body with a head portion and a shaft. The head portion includes a cavity. A rotatable member is received by the cavity and is rotatable about an axis. The rotatable member has a plurality of teeth disposed around a circumferential surface...
04/08/2008
7350546Filling valve apparatus having a quick connect/release mechanism
A filling valve apparatus having a flange for mounting to a beverage filling machine. A shank extends through the flange and is mounted to the beverage filling machine. A locking device is coupled to the shank with the locking device having an unlocked position loos...
04/01/2008
7331258Tire-assembly spanner
A tire-assembly spanner which comprises a hollow handle installed with a bending tube portion at one end thereof; another end of the handle being installed with a holding portion; an engaging element installed to one end of the resisting portion far away from the ha...
02/19/2008
7313987Ratchet tool
A ratchet tool includes a handle, a tooling sleeve, a first pawl, a first elastic member, a second pawl, a second elastic member, a retaining ring, and a dialer. The outer circumference of the tooling sleeve received in the handle is disposed with teeth. The pawls a...
01/01/2008
7299720Reversible ratchet wrench
A reversible ratchet including a ratchet body having a drive member for applying torque to a workpiece. The ratchet body defining a receptacle and a ratchet assembly disposed in the receptacle. The ratchet assembly including a rotatable gear, a first pawl and a seco...
11/27/2007
7287448Reversible high-torque screwdriver
A screwdriver includes a handle, a first body having an end securely mounted in the handle, a second body rotatably mounted in the first body, a ratcheting mechanism slidably mounted in a receiving section in the other end of the first body, and a switch member pivo...
10/30/2007
7261018Power tool
A power tool has a housing having a drive portion for turning a fastener to tighten or loosen the fastener, the drive portion having two opposite sides spaced from one another in one direction and two connecting elements spaced from one another in another direction ...
08/28/2007
7254868winding and anti-drop assembly for door counterbalance system
A counterbalance system (25) for a door (D) movable between a closed position and an open position having an axle (20), a cable drum (15) attached to the axle, a winding shaft (35) interconnected with the axle by a counterbalance spring (...
08/14/2007
7249539Open end ratchet wrench
A ratchet wrench includes a generally open head member and a handle connected thereto. A pair of generally C-shaped collars are hingedly connected to the head member for selectively closing and opening it and a locking tab provided for selectively locking the collar...
07/31/2007
7246544Rotary wrench
A rotary wrench including a working head and a handle. The handle has two arms defining a holding space in which the working head is installed. The two arms are respectively formed with a first thread hole and a second thread hole with different spiral directions an...
07/24/2007
7234372Reversible ratcheting tool with a smaller head and improved driving torque
A ratcheting tool includes a handle and a head with a compartment. A drive member includes a first end extended beyond the compartment, a second end extended beyond the compartment, and a gear wheel formed between the first end and the second end. The gear wheel is ...
06/26/2007
7231851Reversible ratcheting tool
A ratcheting tool has a head and a handle attached to the head. The head rotatably receives a gear ring and receives a pawl that is in operative engagement with the gear ring. A housing disposed in the head receives a spring that is in operative engagement with the ...
06/19/2007
7216568Ratchet socket spanner
A ratchet socket spanner includes a handle having a driving head at one end; the driving head having a penetrating hole for receiving a socket; the driving head having a receiving groove; the receiving groove serving for receiving a teethed block; a socket having a ...
05/15/2007
7204176Wrench with two pivotable sections
A wrench includes a handle with a first driving portion extending from one side of a first end of the handle and a pivotable section has one end thereof pivotably connected to a second end of the handle. A second driving portion extends from one side of the other en...
04/17/2007
7188550Open end adjustable spanner
A new mechanism of an open-end adjustable spanner which includes a right latch, a left latch, a return spring, and a control member containing hairpin springs and a serrated bit installed in an accommodation trough of a handle to create a torque transmission structu...
03/13/2007
7181997Ratchet screwdriver and method of making same
A ratchet screwdriver and method of making same wherein there is a handle and there is a ratchet gear and pawls inside the handle. An adjuster is inside the handle and is movable by a tool extending into the handle for positioning the adjuster relative to the gear a...
02/27/2007
7146883Wrench driven directly to change its direction of operation
A wrench includes a wrench body, an actuating member, a pawl member, a direction control knob, a positioning device, and a driving member. Thus, the direction control knob is mounted on the drive head of the wrench body after assembly of the pawl member and the driv...
12/12/2006
7137318Ratchet-based, torqued-enhanced fastener tool
A ratchet-based, torque-enhanced fastener tool for tightening and loosening nuts, bolts, lug nuts and other fasteners includes a main housing and a handle attached to the main housing. A trigger is movably connected so that it can be moved in a reciprocal manner. A ...
11/21/2006
7137319Ratchet wrench
A ratchet wrench rotatably operable in a vertical plane for removal and installation of a fastener includes a body with a shank portion and outwardly extending first and second member forming an offset in such body. A first ratchet mechanism disposed in a first head...
11/21/2006
7131353Reversible ratcheting tool with improved pawl
A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear so that the gear teeth define a first arc having a first radius. A pawl is disposed in the body so that the pawl is movable latera...
11/07/2006
7127969Anti-rolling socket
An anti-rolling socket. One end of the socket is formed with a fitting hole for fitting on a threaded member. An annular rib with a certain angle of arch is formed on a circumference of the socket to form a maximum outer diameter of the socket. A distance from a fir...
10/31/2006
7124664Ratchet wrench
A ratchet wrench including a head section formed with two slots and two pawls each having a post slidably fitted through the slots. The ratchet wrench further includes a shift member formed with two slots respectively intersecting the slots of the head section. The ...
10/24/2006
7121167Flat head reversible power ratchets
A flat headed, reversible power ratchet of relatively small size which uses integral bosses and apertures in its housing to locate and control the movement of its yoke and driving gears on bosses integral to the housing with the driving gear mounted in a bore within...
10/17/2006
7121170Ratchet wrench operated conveniently
A ratchet wrench includes a handle, a drive head, a ratchet wheel, a pawl member, a control knob, a positioning plate, and an urging spring. Thus, the ratchet wrench includes a positioning plate to push the pawl member, thereby reducing the volume of the ratchet wre...
10/17/2006
7111527Selective one-way screwdriver
There is disclosed a selective one-way screwdriver and, more particularly, a selective one-way screwdriver that includes a long handle and can easily be operated. It includes an elongated handle formed with at least one head formed at an end. The head defines a spac...
09/26/2006
7100477Oneway ratchet wrench
A oneway ratchet wrench includes a wrench body, a ratchet wheel, and a drive mechanism. The drive mechanism includes a support plate, a oneway pawl member, and an elastic member. Thus, the elastic member is mounted between the support plate and the oneway pawl membe...
09/05/2006
7096763Direction control device of ratchet spanner
The direction control device comprises a spanner body having a receiving chamber at a head portion thereof; a lateral side of the receiving chamber formed with a braking groove; the spanner body having a direction control groove communicated to the braking groove; a...
08/29/2006
7093520Gear wrench allowing easy force application
A gear wrench allowing easy force application, having: a head, formed with a receiving compartment thereon for receiving a gear ring, the head extending along a first plane; a tail, extending along a second plane; and a neck, provided between and integrally formed w...
08/22/2006
7077032Ratchet tool having increased driving torque
A ratchet tool includes a handle having a number of inner teeth, a cartridge rotatably received in the handle and having a driving shank and having three side surfaces. Three pawls are rotatably attached to the side surfaces of the cartridge and each includes two en...
07/18/2006
7073411Torsion spring tensioning apparatus
Apparatus for tensioning torsion spring, shaft-mounted in association with a spring cone, has a central ratchet assembly with two spaced, cogged ratchet wheels, slotted to allow the assembly to be rotatably positioned over the shaft. The ratchet assembly is connecta...
07/11/2006
7066056Ratchet tool
A ratchet socket tool includes a socket having a toothed protrusion extending axially from an end thereof and a tube is mounted on the first end of the socket. A driving member rotatably inserts into the tube and has a passage defined axially therethrough and a rece...
06/27/2006
7059219Reversible ratcheting tool with improved control member
A ratcheting tool includes a body and a gear disposed in the body. The gear defines a plurality of teeth on a circumference of the gear. A pawl is disposed in the body so that the pawl is movable with respect to the gear between a first position, in which the body t...
06/13/2006
7059218Driving member securing device for hand tools
A driving member securing device for a hand tool includes a control member which has a skirt portion and a flange extends from an inner periphery of a central hole of the control member. The flange has a plurality of projections. The hand tool has a toothed wheel ro...
06/13/2006
7055409Socket wrench for ratchet wheel sockets
A socket wrench for ratchet wheel sockets, comprises a handle having a recess at a first terminal thereof, an empty space between a pair of ear portions defining the recess, each of the ear portions being provided with an axial hole; a drive piece for retaining a ra...
06/06/2006
7040197Opener providing large arm of force
An opener comprises a holding portion; a front end of the holding portion being installed with a screwing portion; a rear end of the holding portion being installed with a rotation portion; a front end of the screwing portion being installed with an opener head; a r...
05/09/2006
7036400Wrench
A wrench includes a wrench body having a ring portion and a handle portion. A retainer that holds a plurality of wedge members is disposed inside the ring portion. Wedge guide grooves are formed on the inner circumferential surface of the ring portion. Each of the w...
05/02/2006
7017456Adjustable closed-end wrench
An adjustable closed-end wrench is adapted for rotating a threaded fastener. The wrench has a handle and a wheel housing located at a free end of the handle. An engagement wheel is arranged within the wheel housing, and has an inner periphery and an outer periphery....
03/28/2006
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