Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8113092 | Push-type ratchet wrench A push-type ratchet wrench may be easily operated. At least one end of a handle has a head, in which a driving body for rotating a workpiece and an engaging block capable of selectively switching the rotation direction of the driving body are provided. Also, a contr... | 02/14/2012 |
| 7997168 | Adjustable ratchet wrench An adjustable ratchet head assembly has first and second jaw members that are connected using a pinion shaft and a cogwheel shaft. The pinion shaft has oppositely threaded end portions that engage oppositely threaded pinion shaft receiving bores in a central section... | 08/16/2011 |
| 7966912 | Ratcheting wrench A ratcheting wrench having ratchet structure, a ratchet body, a socket wheel, a plurality of ratchet teeth and at least one pawl. The ratchet body is received into the ratchet structure and is rotatable about a first axis. The socket wheel is received in an aperture... | 06/28/2011 |
| 7954402 | Ratchet wrench with socket quick release mechanism A ratchet wrench includes a working head located forwardly on a handle. The working head has a body portion with a generally flat and generally uninterrupted upper surface and a cavity formed in an opposite lower surface with at least one actuator bore through the s... | 06/07/2011 |
| 7934441 | Combination tool A combination tool includes a first tool component and a second tool component. A ratchet system enables the first tool component and the second tool component to be pivotally oriented relative to one another in a desired direction, and to be locked at desired relat... | 05/03/2011 |
| 7823484 | Reversible ratchet wrench whose operation directions are changed easily and quickly A reversible ratchet wrench includes a drive shank having a support base, a shell pivotally mounted on the support base, a ratchet wheel mounted in the shell and having a plurality of ratchet teeth, a pawl member having a first side provided with a driven face that ... | 11/02/2010 |
| 7520198 | Ratchet screwdriver A ratchet screwdriver includes a handle, a ratchet, a shaft and a finger ring. The handle has a body having a receiving chamber and a front through hole. The receiving chamber is formed in the body and communicates with the front through hole. The ratchet is mounted... | 04/21/2009 |
| 7478577 | Quick adjust ratcheting wrench with cam actuated clamping The invention is a wrench with jaws adjusted by a cam mechanism and a ratchet mechanism providing a free return stroke of the handle, a simplified construction, convenience of use, durability, effectiveness, and cost and weight reduction; comprising a handle with ho... | 01/20/2009 |
| 7392726 | Ratchet wrench and method of assembling the same In a ratchet wrench, a frictional force generation mechanism including a first guide bush and a disc spring is attached to a shank with a locking pin to form a shank assembly. Spring force of the disc spring acts only on the inside of the shank assembly. The shank a... | 07/01/2008 |
| 7380481 | Pass 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 |
| 7353735 | Ratchet 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 |
| 7340983 | Spanner with prevention of disengagement of fasteners A spanner comprises a box end that has an inner periphery consisting of a number of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving s... | 03/11/2008 |
| 7334504 | High torsional force structure of ratchet device A torsional force structure of a ratchet device which includes a body having a head portion at an end of the body. The head portion has a space which is composed of a first recess and a second recess. A socket member is fitted in the first recess and having a plural... | 02/26/2008 |
| 7331258 | Tire-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 |
| 7331259 | Ratchet wrench The present invention relates to a ratchet wrench including a wrench with one end provided with a pivot hole; a turning knob disposed in the pivot hole of the wrench and containing a dial; a wheel member disposed to the handle of the wrench and containing also a dia... | 02/19/2008 |
| 7328633 | Device for switching wrenching direction of a ratchet wheel of a ratchet tool A device for switching wrenching direction of a ratchet wheel of a ratchet tool. A ratchet wheel and a pawl are accommodated in a receiving cavity of the main body of the ratchet tool. The receiving cavity is covered by a cover board for hindering the ratchet wheel ... | 02/12/2008 |
| 7325468 | Hollowed socket A hollowed socket comprises a driving portion and an engaging portion; an outer side of the driving portion having a receiving groove; an elastic sheet being installed in the receiving groove; and a free end of the elastic sheet having a positioning block. An inner ... | 02/05/2008 |
| 7322263 | Wrench capable of switching sense of rotation A wrench capable of switching sense of rotation comprises a handle, a head portion formed on one end of the handle and a switch mounted on the head portion of the handle. The head portion further comprises a ratchet wheel, a claw piece and an inverting piece. The sw... | 01/29/2008 |
| 7311019 | Ratchet wrench A ratchet wrench has a through cavity in which a reversing lever is disposed. The reversing lever has a pair of protruding lips formed thereon opposite from one another. A cooperating ledge is formed on the head in the cavity and on the pawl which is adjacent to the... | 12/25/2007 |
| 7284464 | Oil drain plug wrench An oil drain plug wrench is provided to enable a user to more easily remove and install an oil drain plug. The wrench includes a rotor with two cavities on opposite sides of a rotor. When either of the cavities engages a workpiece, the wrench is capable of applying ... | 10/23/2007 |
| 7281310 | Baluster driver tool and method of using same A baluster driver tool for rotating a baluster to threadably secure it to a support. The driver tool includes a housing having a connector at one end for connecting it to a drill and a baluster-engaging member at the opposite end for receiving the baluster. The balu... | 10/16/2007 |
| 7278339 | Reversible ratchet wrench A reversible ratchet wrench includes a handle from which a head extends. The head includes a compartment and a receiving hole in communication with the compartment. A drive member is rotatably mounted in the compartment and a pawl is slidably mounted in the compartm... | 10/09/2007 |
| 7249539 | Open 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 |
| 7243388 | Mupti-function wrench A wrench includes a core plate made of metal and an outer portion such as rubber encloses the core plate. A driving member and a ratchet mechanism are received in the through holes in the core plate and the outer portion. A hammer piece is connected to a side of the... | 07/17/2007 |
| 7240590 | Quick release device for ratchet tools A ratchet tool includes a bar movably received in an operation space defined between an inner periphery of a cylindrical space in the head of the ratchet tool and a flat surface defined in an outer periphery of the cylindrical body of the driving mechanism. The bar ... | 07/10/2007 |
| 7237460 | Biasing arrangement for a pawl of a reversible ratchet-type wrench A reversible ratchet-type wrench includes a handle and a head extended from the handle and having a hole. A web is defined between the handle and the head, and a cavity is defined in the web and communicated with the hole. The web further includes a compartment havi... | 07/03/2007 |
| 7234372 | Reversible 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 |
| 7231851 | Reversible 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 |
| 7213491 | Ratcheting tool A ratcheting tool having an axial pawl ratcheting mechanism is provided that may be used for a screwdriver or wrench and comprises a first gear including axial gear teeth on a first side providing for ratcheting in a first direction. A second bidirectional gear has ... | 05/08/2007 |
| 7207393 | Stepped drive shaft for a power tool A shaft comprises an input portion and a tang. The tang has a first section, a second section, and a radial bore. The second section is disposed between the first section and the input portion along an axis. A radial cross section of the first section is less than a... | 04/24/2007 |
| 7207244 | Selective one-way wrench A selective one-way wrench includes a head defining a first space and a second space communicated with the first space. A gear is put pivotally in the first space. The gear includes a toothed external face. A direction controller is put in the second space. The dire... | 04/24/2007 |
| 7204176 | Wrench 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 |
| 7188550 | Open 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 |
| 7185566 | Reversible 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... | 03/06/2007 |
| 7181997 | Ratchet 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 |
| 7162937 | Positioning device for a two-way ratchet tool A positioning device for a two-way ratchet tool includes a switch assembly, a lid, a ratchet, a detent and a wrench body. The switch assembly comprises a switch and a stud to be inserted in a through slot of the lid. The stud is provided with an engaging block to li... | 01/16/2007 |
| 7152508 | Ratchet extraction wrench A combination ratchet wrench having a standard open-type or box-type wrench at one end thereof and a ratcheting extraction box at the other end thereof. The ratchet extraction wrench box is connected by a ratcheting mechanism to the wrench that allows rotation of th... | 12/26/2006 |
| 7146883 | Wrench 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 |
| 7146882 | Ratchet wrench A ratchet wrench includes a handle, which has a head and a bearing portion abutted to the head. The head has a through hole and a receiving portion inside the through hole. A driving member is rotatably mounted inside the through hole of the head by a mounting ring ... | 12/12/2006 |
| 7137319 | Ratchet 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 |
