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| Number | Title | Issue Date |
| 8156845 | Wrench A wrench includes a driving head, an axle hole formed at an end of the driving head, an accommodating portion disposed in the axle hole for accommodating pawls, a control ring contained in the axle hole and having an end extended out of the axle hole and coupled to ... | 04/17/2012 |
| 8109181 | Ratchet screwdriver and construction method A ratchet screwdriver with an assembly of a handle (10), a body (17), a gear (56), a pawl (21, 22, 71), and a selector (27) movable on the assembly. The selector carries a pawl actuator (38, 81) for pivoting the pawl, and th... | 02/07/2012 |
| RE42768 | Robust wrench A wrench includes a handle, a clutch, a detent, a controller, a gear and a C-ring. The handle includes an annular head defining a circular space, a pothole not overlapping the circular space, a channel for communicating the circular space with the pothole, a recess ... | 10/04/2011 |
| 7938042 | Ratchet wrench with three operative positions A ratchet wrench includes a head (11) having a through-hole (13) rotatably receiving a drive member (20). Two pawls (30) are pivotably received in two compartments (21) in the drive member (20). Each pawl (30) include... | 05/10/2011 |
| 7926390 | Coupling device with configurable actuator A driving tool includes a shank, a sleeve, and a return spring disposed therebetween. The shank has a ball recess with a ball received therein. The shank has an interior interface adapted for receiving a tool bit. The ball recess substantially extends into the inter... | 04/19/2011 |
| 7677137 | Reversible ratchet mechanism for ratchet tools A reversible ratchet mechanism for ratchet tools comprises a positioning portion the middle section of which is formed with a concave U groove. Two sides of the U groove are each formed with a receiving groove to which a wedge flake is wedged. An elastic part is pro... | 03/16/2010 |
| 7661337 | Fixing structure of direction switch button for reversible wrench A fixing structure of direction switch buttons for a reversible wrench, in which the wrench is equipped with two direction switch buttons on a driving portion of the wrench. The wrench includes button-restricting portions and location-restricting portions relative t... | 02/16/2010 |
| 7647852 | Ratchet screwdriver and connection arrangement A ratchet screwdriver having an handle (10) and two pivotal pawls (26, 27) and a selector (51) rotatable relative to the handle for actuation of the pawls relative to a gear (18). The selector and gear are axially connected together and a... | 01/19/2010 |
| 7600451 | Detachable surgical ratchet A surgical ratchet assembly includes a handle, a driver, a ratcheting mechanism and a locking mechanism. The driver is received within the handle in a rotatable relationship with respect thereto. The ratcheting mechanism is interposed between the handle and the driv... | 10/13/2009 |
| 7587961 | Reversible ratchet tool A reversible ratchet tool includes a rotary member received in a housing and having a number of teeth, a cover secured to the housing and having three depressions located around an axle, two pawl members mounted in the housing and each having one or more teeth for b... | 09/15/2009 |
| 7497149 | Hand tool with adjustable handle A hand tool includes a first part including a head and a shank which is cooperated with a second part. A positioning hole and a receiving hole are defined in the shank and located on two parallel axes of the shank. A block is received in the positioning hole and a p... | 03/03/2009 |
| 7484439 | Quick switching hand tool A quick switching hand tool comprises a driving head having a ratchet teeth portion; a control device having a control rod; the control rod being installed with a driving block which is interacted with a buckle unit; and the buckle unit is engageable to the ratchet ... | 02/03/2009 |
| 7441481 | Socket wrench having multiple driving heads A socket wrench having multiple driving heads includes a triangular star-shape handle which consists of an upper and a lower shell. The triangular portions of the handle have respectively a protrusive driving portion. Two neighboring driving portions are connected b... | 10/28/2008 |
| 7441482 | Quick switching hand tool A quick switching hand tool comprises a driving head having a ratchet teeth portion; a control device having a control rod; the control rod being installed with a driving block which is interacted with a buckle unit; and the buckle unit is engageable to the ratchet ... | 10/28/2008 |
| 7424837 | Quick switch hand tool A quick switch hand tool includes a base board, a plate, a shell, and a cover connected together. A driving shaft is rotatably disposed in the base board, the plate, the shell and the cover. A switch means is mounted on the base board and is provided for switching t... | 09/16/2008 |
| 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 |
| 7413065 | Ratcheting mechanism A ratcheting mechanism for a hand-held tool is provided. The mechanism includes a housing having a central opening and a pair of slots disposed on opposite sides of the opening. Each slot has an arcuate or circular end portion opposite the central opening which circ... | 08/19/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7331246 | Mechanical torque wrench with an electronic sensor and display device A mechanical torque wrench including a wrench body defining an elongated interior compartment and a wrench head including a bar extending therefrom being pivotally secured to a first end of the wrench body. A hand grip located on a second end of the wrench body and ... | 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 |
| 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 |
| 7311018 | Wrench A wrench includes a handle, a joint movably mounted on the handle and a working unit pivotally connected to the joint. The handle pivots relative to the working unit between a first position, where the handle and the working unit extend perpendicular to each other, ... | 12/25/2007 |
| 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 |
| 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 |
| 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 |
| 7267033 | Ratchet wrench having two driving torques A ratchet wrench includes a tubular member having an inner gear formed in a head, a rotor rotatably received in the head and having a compartment aligned with the inner gear for receiving a stronger latching device, two ratchet wheels rotatably received in the head,... | 09/11/2007 |
| 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 |
| 7246544 | Rotary 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 |
| 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 |
| 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 |
| 7240527 | Key turning device A device to facilitate manipulating a key by persons having restricted finger and/or hand use that includes a key holding unit with a socket in one end thereof and means to removably secure a key to such unit. The device also includes a hand tool that has a hand gri... | 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 |
| 7237458 | Ratchet screwdriver with a replaceable bit magazine unit A ratchet screwdriver includes a screwdriver body, a magazine body journalled and disposed removably within the screwdriver body for receiving a plurality of bits, and a ratchet unit disposed on a front end of the screwdriver body. A driving rod is movable in the sc... | 07/03/2007 |
| 7237459 | Ratchet screwdriver A screwdriver includes a shaft fixed to a handle and having two first pawl-receiving grooves and two second pawl-receiving grooves. Two first pawl plates and two second pawl plates are disposed correspondingly in the first and second pawl-receiving grooves. Each of ... | 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 |
