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| Number | Title | Issue Date |
| 8122791 | Three-way ratchet drive mechanism A compact, three-way ratchet drive mechanism selectively enables ratcheting operation in a clockwise direction, or an anti-clockwise direction, or disables ratcheting behavior. The mechanism includes a ratchet housing, a drive shaft, a ratchet wheel, J-shaped pawls,... | 02/28/2012 |
| 8109182 | Ratchet tool The present invention provides a ratchet tool, wherein a circular tooth row is arranged into the round groove of the main body's actuating end. A tool driving seat is assembled rotatably onto the round groove of the main body. A first braking slot, a second braking ... | 02/07/2012 |
| 8047101 | Wrench A wrench comprises a handle connected to a housing. A socket is rotatably supported in the housing for ratcheting movement relative to the housing. A retaining member releasably secures a device in the socket. A retainer is supported on the housing and is movable be... | 11/01/2011 |
| 7987747 | Bias assembly for ratchet tools A ratcheting tool such as a reversible dual-pawl ratchet wrench is disclosed that minimizes wasted motion during ratchet slip or counter-rotation. The ratchet wrench includes a bias assembly that biases the pawls apart to bias a first, selected pawl for a selected d... | 08/02/2011 |
| 7975574 | Ratchet wrench with switch moving in transverse direction A ratchet wrench includes a head and a handle interconnected to the head. The head includes a first compartment rotatably receiving a drive member. Two pawls are slideably received in a compartment of the head. A switch is slideably received in a third compartment o... | 07/12/2011 |
| 7926391 | Screwdriver with ratchet mechanism A screwdriver includes a first body having an end for coupling with a handle, a second body rotatably coupled to the other end of the first body, two pairs of engaging members, and a switch member pivotably mounted to the first body. Each pair of engaging members is... | 04/19/2011 |
| 7921751 | Easy-to-manufacture ratchet wrench A ratchet wrench includes a body having a first compartment rotatably receiving a drive member and a second compartment slideably receiving two pawls. A positioning member extends into the second compartment. A switch is slideably mounted to the body and includes tw... | 04/12/2011 |
| 7895921 | Ratchet tool A ratchet tool includes a head and a handle, a ratchet is received in the space and two pawl sets are respectively received in two recesses defined in the inner periphery of the space. Each pawl set has a pawl and a spring which biases the pawl to be engaged with th... | 03/01/2011 |
| 7895922 | Ratchet wrench A ratchet wrench includes a body, a ratchet wheel, a control unit, and a rotary knob. The body has an end forming a ratchet wheel bore and a receiving hole, which respectively and rotatably receive the ratchet wheel and the rotary knob therein. A channel is defined ... | 03/01/2011 |
| 7836798 | Ratchet wrench with three operational positions A ratchet wrench includes a head rotatably receiving a drive member and slideably receiving two pawls each having a coupling portion. An elastic element is mounted between the pawls to bias the pawls to engage with a coupling section of the drive member. A ring is r... | 11/23/2010 |
| 7827886 | Ratchet wrench with three operative positions A ratchet wrench includes a drive member rotatably received in a body that includes a compartment extending from a first side toward and spaced from a second side of the body. A control member is pivotable between three operative positions to change the driving dire... | 11/09/2010 |
| 7802498 | Ratchet wrench with three operative positions A ratchet wrench includes a body (10) having a driving portion (11) rotatably receiving a drive member (20; 20′; 20″) and a handle (12) interconnected to the driving portion (11). Two pawls (30) are slideably received in... | 09/28/2010 |
| 7793569 | Wrench A wrench comprises a handle connected to a housing. A socket is rotatably supported in the housing for ratcheting movement relative to the housing. A retaining member releasably secures a device in the socket. A retainer is supported on the housing and is movable be... | 09/14/2010 |
| 7775141 | Extended low-torque ratchet wrench A reversible ratchet device is provided as a low-torque application wrench in the form of an elongated body carrying a ratchet mechanism thereon, the ratchet mechanism being operable under low-torque conditions such as are present with initial driving or final loose... | 08/17/2010 |
| 7770495 | Ratchet connector A ratchet connector includes a driving element, a control ring, and a working element. A tooth block is disposed in an open groove of the driving element. Both sides of the tooth block have several teeth. The control ring is mounted on the driving element to control... | 08/10/2010 |
| 7762161 | Ratchet screwdriver A ratchet screwdriver includes a handle having a hole co-axially defined in the handle. A ratchet mechanism is co-axially received in the hole in the handle and comprises a ratchet wheel for driving the ratchet screwdriver with bi-directional operating and a selecto... | 07/27/2010 |
| 7434493 | Ratchet driving mechanism with two sets of pawls A ratchet driving mechanism includes a main body, an adjusting ring, and a ratchet wheel. The main body includes a grip-connecting member and a rotary seat connected fixedly to the grip-connecting member. The rotary seat is formed with two parallel insertion slots, ... | 10/14/2008 |
| 7421772 | Ratcheting 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 |
| 7409894 | Hammer head ratchet device A hammer head ratchet device that includes a handle with a hammer head at one end, a ratchet driving mechanism assembly located at the bottom end of the handle for using a selected tool bit to perform a desired tool bit function, and slots or compartments to store t... | 08/12/2008 |
| 7404245 | Fuel line disconnect tool A fuel line disconnection tool includes a handle member with a hand grip end and a slotted opposite head end adapted to receive generally mirror image flanged adapters having semi-cylindrical tubular projections which enable placement of the adapters in the slot at ... | 07/29/2008 |
| 7398710 | Rotary positioning structure of a ratchet screwdriver The present invention provides rotary positioning structure of the ratchet screwdriver. The rotary positioning structure includes two radial grooves, penetrating radially between the body of the ratchet screwdriver and the central axle hole. There are two -shaped sn... | 07/15/2008 |
| 7389862 | Continuously adjustable rotation device A continuously adjustable rotation device includes a base, a first connection element combined with the base, a ring buckle, a transmission disc, a second connection element, and a rotation controller. The transmission disc is formed on the contacting portion of the... | 06/24/2008 |
| 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 |
| 7380482 | High-strength ratchet structure for ratchet wrench A high-strength ratchet structure for ratchet wrench is disclosed to include a driving block with two transverse sliding grooves, two pairs of directional block members respectively movably mounted in the sliding grooves of the driving block, two spring members resp... | 06/03/2008 |
| 7372113 | Semiconductor device and method of manufacturing the same Disclosed is a semiconductor device comprising a semiconductor substrate, a gate electrode, a first insulating film formed between the semiconductor substrate and the gate electrode, and a second insulating film formed along a top surface or a side surface of the ga... | 05/13/2008 |
| 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 |
| 7353734 | Screwdriver having a ratchet mechanism A screwdriver having a ratchet mechanism includes a handle and a switch assembly. A ratchet base is provided in the handle. The ratchet base is provided with a locating device. The switch assembly is pivotally connected to the handle. A locating plate extends from t... | 04/08/2008 |
| 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 |
| 7313987 | Ratchet 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 |
| 7311186 | Ratchet tool having increased driving torque A ratchet tool includes a barrel rotatably engaged into a cartridge and having a gear, two pawls slidably received in the cartridge and each having a base plane and a side plane and two or more teeth biased to engage with the gear of the barrel, and a control ferrul... | 12/25/2007 |
| 7302876 | Bi-sectional wrench A wrench includes a lever with teeth formed on the wall of a space defined therein. A handle includes teeth formed on the wall of a space defined therein. A toothed wheel is movable in the spaces between a first position where the teeth of the toothed wheel are enga... | 12/04/2007 |
| 7299720 | Reversible 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 |
| 7293312 | Multipurpose skateboard tool A compact multipurpose tool including a bit head, a hollow first cylinder that defines a plurality of open-end wrenches on one end, and a second cylinder that communicates with the bit head and can be at least partially housed within the hollow first cylinder. In fu... | 11/13/2007 |
| 7290465 | Ratchet driver and method of making same A ratcheting driver configured to rotationally drive an item or work piece is provided. The driver includes a handle and pivotal pawls engageable with a driven gear and capable of ratcheting and driving in both rotational directions. The handle and pawls have mating... | 11/06/2007 |
| 7287448 | Reversible 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 |
| 7263918 | Ratchet structure for a wrench A ratchet structure of a wrench includes a handle, a socket, a first detent, a first elastic element, a second detent, a second elastic element, a lid and a knob. The outer periphery of the socket is formed with gear teeth. The socket is accommodated in the handle. ... | 09/04/2007 |
| 7263919 | Ratcheting tool with vertically curved tooth arrangement A ratcheting tool includes a body, a compartment defined by the body, a gear rotatably disposed in the compartment, and a pawl. The pawl, disposed within the tool, selectively prevents the tool from rotating in one direction while allowing rotation in the opposite d... | 09/04/2007 |
| 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 |
| 7246545 | Bi-sectional wrench A bi-sectional wrench includes a lever, a handle and a toothed wheel. The lever includes a space defined therein and a plurality of teeth formed on the wall of the space. The handle includes a space defined therein and a plurality of teeth formed on the wall of the ... | 07/24/2007 |
| 7243577 | Lug wrench having ratchet assembly in the socket head A lug wrench includes a ratchet-type assembly in at least one end of the wrench whereby lug nuts can be turned in the manner of a lug wrench and a ratchet-type wrench. The ratchet mechanism can be set to lock clockwise movement, counterclockwise movement or both dir... | 07/17/2007 |
