Jaw Faces Patents (Class 81/186)
  • Patent number: 9481074
    Abstract: A hand tool assembly in one embodiment includes a pair of pivotable jaws, a first jaw mounted component, and a second jaw mounted component. The first jaw mounted component includes a first mounting portion that removably mounts the first jaw mounted component on a first of the pair of pivotable jaws. The second jaw mounted component includes second mounting portion that removably mounts the second jaw mounted component on a second of the pair of pivotable jaws. A first working surface of the first jaw mounted component and a second working surface of the second jaw mounted component define a channel when the first working surface is placed in direct opposition to the second working surface. The channel is complementary to the outer surface of a tubular work-piece and is configured to hold or work the work-piece when the pivotable jaws are pivoted to a clamped position.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: November 1, 2016
    Assignees: Bosch Automotive Service Solutions Inc., Robert Bosch GmbH
    Inventor: George Lesche
  • Publication number: 20150075334
    Abstract: A sprinkler wrench for installing a sprinkler includes a base having a tool engaging portion. A sidewall extends from the base and a sprinkler engaging portion extends from the sidewall. The sprinkler engaging portion includes a pair of oppositely facing surfaces defining an outer perimeter and a recess including two opposing flats. A protective boot cover is removably attached to the sprinkler engaging portion and includes flat cover portions covering the two opposing flats.
    Type: Application
    Filed: May 29, 2014
    Publication date: March 19, 2015
    Applicant: The Viking Corporation
    Inventors: Jason WATSON, Shawn G. ORR, Lindsay M. BARKER, Scott T. FRANSON
  • Patent number: 8978524
    Abstract: A ratchetable open-ended wrench includes a handle for a hand to grasp, a wrench head located on one end of the handle, and a fastener room located in the wrench head for accommodating a workpiece to be rotated. The wrench head further includes a first jaw having a first driving wall, a second jaw having a second driving wall facing the first driving wall, an inner wall extending from the second driving wall into the second jaw, a concavity, an auxiliary jaw retracting opening, an auxiliary jaw capable of longitudinally sliding into the auxiliary jaw retracting opening in an elastic way, and an auxiliary jaw limiting member coupled to a limiting slot. The auxiliary jaw further includes an exterior end having a pillow in contact with the driving wall and a pushing surface for working together with the first jaw to grip the workpiece under operation, an interior end, and a limiting slot.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: March 17, 2015
    Assignee: Apex Took (HK) Limited Taiwan Branch
    Inventors: Hsien-Chung Tuan-Mu, Chung-Sung Li
  • Patent number: 8973471
    Abstract: A three-protuberance open-end wrench includes a head section. The head section has a first jaw and a second jaw. Two first protuberances are front and rear, side by side, formed on a holding face of the first jaw. A second protuberance is formed on a holding face of the second jaw. A throat is formed between the holding faces of the first and second jaws for receiving a threaded member therein. The protuberances of the first and second jaws serve to hold the threaded member. The protuberances form a non-isosceles triangle.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: March 10, 2015
    Assignee: Kabo Tool Company
    Inventor: Chih-Ching Hsieh
  • Patent number: 8925428
    Abstract: A returning device of a wrench tool contains a body including a tool segment disposed on at least one end portion thereof and having two jaws, an engaging face of at least one of the two jaws including a recessed section in which a receiving groove with a stop rim is formed, the stop rim including a slot fixed on an eccentric position thereof; an auxiliary retainer inserted in the receiving groove and having a retaining portion; a positioning shaft including a front end connected at an eccentric position of a rear end of the auxiliary retainer and including a rear end extending out of the slot and allowing to prevent the auxiliary retainer from disengagement from the receiving groove; a resilient element used to push the auxiliary retainer so that the retaining portion extends out of the recessed section of the at least one of the two jaws.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: January 6, 2015
    Inventor: Yeo-Ming Wang
  • Patent number: 8887600
    Abstract: An anti-abrasion open end quick turn wrench is suitable for rotating a fastener with a head portion and includes: a body and an assistant engaging member. When the head portion of the fastener is completely engaged in the engaging slot, the wrench is provided with anti-abrasion concaves to provide enough room to prevent the open end wrench from interfering with the angles of the head portion of the fastener, and consequently preventing abrasion of the head portion of the fastener. Meanwhile, at least three lateral surfaces of the head portion of the fastener will be clamped by the wrench, when one or two of the clamped four lateral surfaces of the fastener is damaged or worn out, the fastener still has at least two intact lateral surfaces clamped by the open end quick turn wrench, so it can still be rotated by the wrench.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: November 18, 2014
    Assignee: Infar Industrial Co., Ltd.
    Inventor: Ander Chen
  • Patent number: 8869660
    Abstract: A clamping structure for a tool is provided. The clamping structure includes a plurality of grooves and an inner surface. The inner surface includes two inclined planes. Two convex arcs are connected to the inclined planes. Two concave arcs are connected to the inclined planes, and a middle salient connects one of the concave arcs to the other of the concave arcs. Wherein, an angle between a hypothesized extension line of one of the inclined planes and a hypothesized central line of one of the grooves is 40 degrees-50 degrees. Whereby, the clamping structure is easy to grip a damaged bolt or a damaged nut.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: October 28, 2014
    Assignee: Kabo Tool Company
    Inventor: Chih-Ching Hsieh
  • Patent number: 8826783
    Abstract: A one-way open-end wrench includes two jaws and a swing block. The first jaw includes a flat face, a concave face, and a supporting element extending on the concave face and including two flat ends. The swing block includes two fins extending on an upper face of a platform. Each fin includes a convex face corresponding to the concave face. The fins are connected to the supporting element so that the swing block can swing relative to the supporting element. The lower face of the platform does not extend parallel to the flat face of the first jaw when the first flat end of the supporting element contacts the upper face of the platform. The lower face of the platform extends parallel to the flat face of the first jaw when the second flat end of the supporting element contacts the upper face of the platform.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: September 9, 2014
    Inventor: Jia-Cheng Hu
  • Patent number: 8826779
    Abstract: An adjustable wrench has a wrench body, a clamping element and a ratcheting jaw. The wrench body has a handle, a head and a thumbscrew. The head is formed on a front end of the handle and has a connecting block, a fixed jaw, a curved slot, a positioning pin, a mounting recess and a sliding slot. The clamping element is movably connected to the wrench body and has a rear end, a front end, a sliding bar and a movable jaw. The sliding bar is formed on the rear end of the clamping element, is mounted in the sliding slot and engages the thumbscrew and has multiple teeth. The ratcheting jaw is a curved block capable of sliding forward and retracting backward inside the curved slot and has a backward area, a forward area, a guide hole, an engaging surface, an abutting surface, an engaging protrusion and a spring.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: September 9, 2014
    Inventor: Kung-Cheng Chen
  • Patent number: 8806988
    Abstract: An adjustable wrench includes a fixed jaw base, an adjustable jaw base and a handle. The adjustable jaw base includes a slide rod which is slidably movable in a slide grove of the fixed jaw base to adjust the space to clip an object. A poke rod of the handle is located in a poke recess of the slide rod to provide an action force or a limit force to the slide rod. The slide rod is provided with a spring to react to the action force or limit force of the poke rod. One side of the fixed jaw base has a first operation portion for the user to press and control the space to clip the object, enhancing the convenience to turn a workpiece. Particularly, when the handle is pivoted, the poke rod in the poke recess will direct act on the center of the slide rod.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 19, 2014
    Inventor: Hsueh-O Hsu Chang
  • Patent number: 8671807
    Abstract: An extension tool is provided to improve operation of handwheels, for example by allowing railroad operators to more safely reach the handbrake wheel of a train car. The tool includes a head with an upper tapered jaw designed to fit against the handwheel rim and particularly to fit the junction of the handwheel spoke and the handwheel rim circumference. The jaw may be a tapered circular rotating block. Below the jaw is a lower block designed to press against the outer circumference of the handwheel rim. The tool may also include a recess for operating a quick release lever on a train car.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: March 18, 2014
    Inventor: Thomas P. Monroe
  • Patent number: 8667873
    Abstract: The present invention is related to an open-end wrench including a first jaw and a second jaw and a throat section connected between rear ends of the two jaws. A toothed section is disposed on the inner side of the first jaw. The toothed section has multiple sharp teeth and a wide tooth positioned behind the sharp teeth. The wide tooth has a largest width among all the teeth. The bottommost point of the throat section is spaced from a front end of the first jaw by a first length. The bottommost point of the throat section is spaced from the tooth crest of the wide tooth by a second length, which ranges from ? to ½ the first length. The toothed section has a length, which is about ? the first length. The width of the wide tooth is 0.325 to 0.375 the length of the toothed section.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: March 11, 2014
    Assignee: Kabo Tool Company
    Inventor: Chih-Ching Hsieh
  • Patent number: 8631725
    Abstract: A ratchetable open-ended wrench includes a handle H for a hand to grasp, a wrench head 100 located on one end of the handle, and a fastener room 160 located in the wrench head 100 for accommodating a workpiece W to be rotated. The wrench head 100 further includes a first jaw 110 having a first driving wall 114, a second jaw 120 having a second driving wall 124 facing the first driving wall 114, an inner wall 126 extending from the second driving wall 124 into the second jaw 120, a fastener-jaw room 128, an auxiliary jaw retracting opening 13, an auxiliary jaw 140 capable of longitudinally sliding into the auxiliary jaw retracting opening 130 in an elastic way, and an auxiliary jaw limiting member 150 coupled to a limiting slot 148. The auxiliary jaw 140 further includes an exterior end 142 having a pillow 142 in contact with the driving wall 126 and a pushing surface 144 for working together with the first jaw 110 to grip the workpiece W under operation, an interior end 146, and a limiting slot 148.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: January 21, 2014
    Assignee: Apex Tool (HK) Limited Taiwan Branch
    Inventor: Hsien-Chung Tuan-Mu
  • Patent number: 8573095
    Abstract: An open end wrench includes first and second jaws. The first jaw includes an arcuate sliding groove having two support walls and an arcuate sliding wall between the support walls. A slide is slideably received in the sliding groove and includes an arcuate sliding face slideable along the sliding wall. Two wings respectively extend from top and bottom faces of the slide. Top and bottom extension faces extend from a wrenching face of the slide and are located on inner faces of the wings. When the open end wrench drives a workpiece to rotate, an outer face of each wing is partially in contact with the second jaw. Force imparted from the workpiece to the wings is transmitted to the second jaw.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: November 5, 2013
    Inventor: Bobby Hu
  • Patent number: 8567289
    Abstract: An open end wrench includes first and second jaws. The first jaw includes an arcuate sliding groove having two support walls and an arcuate sliding wall between the support walls. A slide is slideably received in the sliding groove and includes an arcuate sliding face slideable along the sliding wall. Two wings respectively extend from top and bottom faces of the slide. Top and bottom extension faces extend from a wrenching face of the slide and are located on inner faces of the wings. A spacing is formed between an outer face of each wing and one of the support walls to avoid friction, allowing smooth movement of the slide between an extended position and a retracted position.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: October 29, 2013
    Inventor: Bobby Hu
  • Patent number: 8534167
    Abstract: An open end wrench includes a jaw portion having first and second jaws. The first jaw includes a sliding groove slideably receiving a slide. When the jaw portion is not engaged with a workpiece, the slide is in a free position. When the jaw portion receives the workpiece but does not drive the workpiece, a buffering space is formed between an abutting end of the guiding slot and a guide fixed in the sliding groove. When the jaw portion drives the workpiece and deforms elastically, the body rotates relative to the workpiece, but the slide does not rotate together with the body due to the buffering space such that the end of the slide remains in surface contact with a face of the workpiece. Also, a buffering angle can be formed between a wrenching face on the slide and the face of the workpiece when the jaw portion receives the workpiece but does not drive the workpiece.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: September 17, 2013
    Inventor: Wen-Pin Liu
  • Publication number: 20130220085
    Abstract: A clamping structure for a tool is provided. The clamping structure includes a plurality of grooves and an inner surface. The inner surface includes two inclined planes. Two convex arcs are connected to the inclined planes. Two concave arcs are connected to the inclined planes, and a middle salient connects one of the concave arcs to the other of the concave arcs. Wherein, an angle between a hypothesized extension line of one of the inclined planes and a hypothesized central line of one of the grooves is 40 degrees-50 degrees. Whereby, the clamping structure is easy to grip a damaged bolt or a damaged nut.
    Type: Application
    Filed: September 4, 2012
    Publication date: August 29, 2013
    Applicant: KABO TOOL COMPANY
    Inventor: Chih-Ching HSIEH
  • Patent number: 8516929
    Abstract: An open-end wrench for quickly turning an object includes a driving end including a first jaw and a second jaw which cooperate together. One of the first and second jaws includes a recess defined therein. Further, a movable engaging member includes a body pivotally fixed in the recess by a pivot. The body is in a surface contact with a lateral wall of the recess, and the recess supports the body. The pivot is inserted through the body and is fixedly engaged with a wall of the recess. Further, an elastic member resiliently engages with the movable engaging member. Furthermore, the open-end wrench is turned in a first turning direction to turn the object and in a second turning direction to move relatively to the object.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: August 27, 2013
    Assignee: New Way Tools Co., Ltd.
    Inventor: Ping-Wen Huang
  • Patent number: 8495933
    Abstract: An adjustable wrench includes two plates, a handle unit, a rotary unit and a control unit. Each plate has a first toothed portion. The handle unit is located between the two plates and includes a handle and a toothed ring. The handle has a second toothed portion. The toothed ring has multiple third teeth and multiple fourth teeth. The third teeth are engaged with the second teeth. The fourth teeth are located between the first toothed portions of the two plates. The rotary unit is located between the two plates and has a first jaw and a second jaw. The control unit includes having a controlling member and a resilient member. The controlling member is connected to the plate and has fifth teeth defined in one end thereof. The resilient member contacts the controlling member to engage the fifth teeth with the first and fourth teeth.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: July 30, 2013
    Assignee: Yu-Shiang Huang
    Inventor: Allen Huang
  • Patent number: 8459153
    Abstract: A wrench including an inward opening that has a multi-point configuration for partially-surrounding engagement in a torque-transmitting manner on a polygonal profile of a nut or a bolt head, a radial jaw opening being associated with the inward opening and at least two corners of the multi-point configuration each having a stop for a portion of an end face of the polygonal profile. In order to extend the range of use of the wrench, the jaw opening has oppositely-disposed jaw cheeks as the opening of an open-end wrench for torque-transmitting engagement on the polygonal profile, the jaw cheeks extending over the corners of the multi-point configuration on only one wide face (of the wrench).
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: June 11, 2013
    Assignee: Wera-Werk Hermann Werner GmbH & Co. KG
    Inventor: Michael Abel
  • Publication number: 20130118321
    Abstract: A ratchetable open-ended wrench includes a handle for a hand to grasp, a wrench head located on one end of the handle, and a fastener room located in the wrench head for accommodating a workpiece to be rotated. The wrench head further includes a first jaw having a first driving wall, a second jaw having a second driving wall facing the first driving wall, an inner wall extending from the second driving wall into the second jaw, a concavity, an auxiliary jaw retracting opening, an auxiliary jaw capable of longitudinally sliding into the auxiliary jaw retracting opening in an elastic way, and an auxiliary jaw limiting member coupled to a limiting slot. The auxiliary jaw further includes an exterior end having a pillow in contact with the driving wall and a pushing surface for working together with the first jaw to grip the workpiece under operation, an interior end, and a limiting slot.
    Type: Application
    Filed: January 7, 2013
    Publication date: May 16, 2013
    Applicant: Apex Tool (HK) Limited Taiwan Branch
    Inventor: Apex Tool (HK) Limited Taiwan Branch
  • Patent number: 8413554
    Abstract: A unidirectional ratchet wrench has a head and a ratcheting assembly. The head has a stationary jaw and a ratchet jaw. The stationary jaw is formed on and protrudes from the head and has an undulating surface. The ratchet jaw is formed on and protrudes from the head and has an arced slot formed in an inner surface of the ratchet jaw. The ratcheting assembly has an engaging tab being movably mounted in the arced slot and selectively engaging and disengaging a tool head with the inner surface of the stationary jaw when the wrench is respectively rotated in drive and non-drive directions.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: April 9, 2013
    Inventor: Li-Ju Lee
  • Patent number: 8408101
    Abstract: An open end wrench includes first and second jaws. The first jaw includes an arcuate sliding groove having an arcuate sliding wall. A slide is received in the sliding groove and includes an arcuate sliding face slideable along the sliding wall. An arcuate guiding slot is formed in the slide. A guide is fixed in the sliding groove and received in the guiding slot. The guiding slot includes an abutting end and a pressing end. The abutting end is in contact with the guide when the slide is in an initial position. A spring seat is mounted in the pressing end of the guiding slot. The spring seat includes a face pressing against the pressing end. An elastic element has two ends respectively abutting the guide and the other face of the spring seat for biasing the slide to the initial position.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: April 2, 2013
    Inventor: Wen-Pin Liu
  • Patent number: 8402866
    Abstract: An open end wrench (10) includes first and second jaws (23, 24) formed on a jaw portion (22). The first jaw (23) includes an arcuate sliding groove (27) having two support walls (272, 273) and an arcuate sliding wall (271) between the support walls (272, 273). A slide (30) is received in the sliding groove (27) and includes an arcuate sliding face (31) slideable along the sliding wall (272). An arcuate guiding slot (35) is formed in the slide (30). A guide (28) is fixed in the sliding groove (27) and received in the guiding slot (35). The guiding slot (35) includes a pressing end (352). An elastic device (40) has two ends respectively abutting the guide (28) and the pressing end (352) of the guiding slot (35) for biasing the slide (30) to a natural position. The slide (30) includes a first wrenching face (32) having two wings (36). A spacing (L) is formed between each wings (36) and one of the support walls (272, 273).
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: March 26, 2013
    Inventor: Bobby Hu
  • Patent number: 8381620
    Abstract: An open wrench includes a recess defined by two clamp surfaces and two engaging surfaces to mount to a bolt head. One of the clamp surfaces has a passage and the movable member is located in the passage. The movable member has a spherical distal end and protrudes from the clamp surface. Each of the clamp surfaces has a tangential surface and a distance between the two tangential surfaces is longer than the maximum distance between two corners of the bolt head. An angle is defined between the axis of the passage and the tangential surface of the clamp surface. The clip is engaged within the passage and the outer periphery of the clip is engaged with the annular groove and the inner periphery of the clip protrudes from the extension so as to contact the second shoulder to prevent the movable member from dropping from the passage.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: February 26, 2013
    Inventor: Chin-Shun Cheng
  • Patent number: 8365640
    Abstract: An anti-slip wrench includes a handle having two opposite grip surfaces, and at least one slant slot formed on at least one of the grip surfaces of the handle. The slant slot is through the grip surface from one lateral surface of the handle to the other. The slant slot is a concave surface with two side edges, which meet the grip surface respectively. The slant slot is positioned at an included angle located between a slot axis of the slant slot and a longitudinal axis of the handle. The concave surface of the slant slot accommodates a thumb of a user when gripping the handle. The slant slot on the handle is provided to prevent the thumb from sliding longitudinally and transversely when gripping the handle.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: February 5, 2013
    Inventor: Chih-Ching Hsieh
  • Patent number: 8359952
    Abstract: The present invention is related to an open-end wrench including a first jaw and a second jaw and a throat section connected between rear ends of the two jaws. A toothed section is disposed on the inner side of the first jaw. The toothed section has multiple sharp teeth and a wide tooth positioned behind the sharp teeth. The wide tooth has a largest width among all the teeth. The bottommost point of the throat section is spaced from a front end of the first jaw by a first length. The bottommost point of the throat section is spaced from the tooth crest of the wide tooth by a second length, which ranges from ? to ½ the first length. In addition, the toothed section has a third length, which is about ? the first length.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 29, 2013
    Inventor: Chih-Ching Hsieh
  • Patent number: 8347764
    Abstract: A ratchetable open-ended wrench includes a handle for a hand to grasp, a wrench head located on one end of the handle, and a fastener room located in the wrench head for accommodating a workpiece to be rotated. The wrench head further includes a first jaw having a first driving wall, a second jaw having a second driving wall facing the first driving wall, an inner wall extending from the second driving wall into the second jaw, a concavity, an auxiliary jaw retracting opening, an auxiliary jaw capable of longitudinally sliding into the auxiliary jaw retracting opening in an elastic way, and an auxiliary jaw limiting member coupled to a limiting slot. The auxiliary jaw further includes an exterior end having a pillow in contact with the driving wall and a pushing surface for working together with the first jaw to grip the workpiece under operation, an interior end, and a limiting slot.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: January 8, 2013
    Assignee: Apex Tool (HK) Limited Taiwan Branch
    Inventors: Hsien-Chung Tuan-Mu, Chung-Sung Li
  • Patent number: 8342063
    Abstract: Among other things, an open-ended wrench comprises a wrench head defining an opening to receive a work piece. The wrench head comprises a first jaw including at least a first surface to engage with a surface of the work piece, a second jaw including a first curved surface facing the opening, and a plate mounted on the second jaw and movable relative the second jaw. The plate comprises at least a second surface to engage with another surface of the work piece. The plate also comprises a second curved surface engaging the first curved surface and being slidable against the first curved surface.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: January 1, 2013
    Inventor: John L. Stanton
  • Patent number: 8342064
    Abstract: The present invention discloses a ratchetable open-ended wrench comprising wrench body and retractable jaw member. The wrench body comprises head with two opposite jaws and a receiving hole. The inner surface of the receiving hole has a sunken slot with an inner circular arc surface. The retractable jaw member is slidably mounted in the sunken slot and has two opposite sides, and one side is directing to the receiving hole and has a second engaging portion. The retractable jaw member and the head are against with an elastic member. The retractable jaw member is able to move from a first position to a second position in the sunken slot, and is able to limit a workpiece to rotate in the receiving hole when at the first position and to allow the workpiece to rotate in the receiving hole when at the second position.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: January 1, 2013
    Inventor: Li-Ching Lin
  • Patent number: 8261640
    Abstract: A reversible open end wrench includes a handle, a head and a retainer. The head includes a first jaw, a second jaw and an extension section. The jaws and the extension section define a driving area therebetween. The first jaw has a first engaging surface and a distal end. The second jaw has a second engaging surface. The horizontal distance between the two engaging surfaces is s. The retainer is disposed on the distal end and has a retaining end extending toward the driving area. The retaining end is movable between a first position and a second position. As the retaining end locates at the first position, the horizontal distance between the retaining end and the second engaging surface is smaller than s. As the retaining end locates at the second position, the horizontal distance between the retaining end and the second engaging surface is no smaller than s.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: September 11, 2012
    Assignee: Proxene Tools Co., Ltd
    Inventor: Arthur Wu
  • Patent number: 8245603
    Abstract: A driver is used to manually drive a fastening member. The driver includes a shank, a handle provided at an end thereof, and a socket provided at the opposite end thereof. The socket has a receptacle which includes a front portion extending from a front face of the socket a predetermined distance and a tapered portion extending from the front portion a predetermined distance. The front portion is larger than the outer dimension of the fastening member and is formed from walls which are parallel to the centerline of the socket. The tapered portion tapers inwardly from the front portion toward the centerline. The tapered portion extends uninterrupted 360° around the receptacle such that a rear edge of the fastening member continuously contacts the tapered portion when inserted therein.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: August 21, 2012
    Assignee: Textron Innovations Inc.
    Inventors: Arthur Anton Piper, Kevin B. Tews
  • Patent number: 8056448
    Abstract: A multi-size wrench is defined with an engaging hole in a head thereof, and an inner surface of the engaging hole of the head is formed by six arc-shaped engaging concaves and six arc-shaped connecting convexes which are alternatively connected to each other in such a manner that between each two neighboring engaging concaves is connected a connecting convexes. An angle between the connecting lines from two ends of the respective arc-shaped engaging concaves to the center of the engaging hole is 50 degrees, and an angle between the connecting lines from the center of the engaging hole to a middle connecting point of each arc-shaped connecting convexes and to a connecting end of the connecting convex is 5 degrees. By such arrangements, the multi-size wrench is applicable to a Metric hexagonal fastener, an English hexagonal fastener and a torx fastener which are correspondingly sized.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: November 15, 2011
    Assignee: Infar Industrial Co., Ltd.
    Inventor: Tai-Hung Chen
  • Publication number: 20110259156
    Abstract: The invention regards a tool (1) for applying torque to an maneuvered object, such as for example a screw head or nut, including at least a first jaw (4), and at least a second jaw (5) where the first jaw (4) and the second jaw (5) are connected to at least one lever (arm) (2). What is unique with the tool is that at least one of the jaws (4, 5) includes at least one recess (7) with a first contact surface (8) and a second contact surface (9) of which at least one of the contact surfaces (8) and (9) is arch-shaped. A method of using, the tool is also disclosed.
    Type: Application
    Filed: May 5, 2011
    Publication date: October 27, 2011
    Inventor: Benyamin Grolman
  • Publication number: 20110232427
    Abstract: A safety pipe wrench includes a Y-shaped handle having a stem extending from a first end of the handle towards a second end of the handle. The stem bifurcates into a first arm and a second arm at a location between the first end and the second end of the handle. The first arm and the second arm extend to the second end of the handle. A slot is defined between the first arm and the second arm. A first gripping insert is mounted on the first arm. A nut is rotatably retained in the slot. A jaw has a shank terminating in a jaw head. The shank is movably engaged with the nut. A second gripping insert is mounted on the jaw head.
    Type: Application
    Filed: March 29, 2010
    Publication date: September 29, 2011
    Inventors: James Robert Streater, Jeffery Ronald Clausen
  • Publication number: 20110067533
    Abstract: A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin.
    Type: Application
    Filed: September 20, 2010
    Publication date: March 24, 2011
    Inventors: Murray Gerwing, Steven Hargreaves, Jeremy Vaughan, Kelvin Isaacson
  • Publication number: 20110030515
    Abstract: A speed wrench is disclosed having at least one recessive portion inside a speed wrench head of the speed wrench, and at least one engaging portion inside the speed wrench head. The speed wrench also has at least one angled portion providing an angled offset measured from a planar surface that the speed wrench is resting on to the center axis of the speed wrench head. The speed wrench may further be double-sided and may be an open-ended wrench.
    Type: Application
    Filed: January 21, 2010
    Publication date: February 10, 2011
    Inventor: Edward Scirbona
  • Patent number: 7878095
    Abstract: A reciprocatable open end wrench comprises a swing member allowing to slide relative to a concave arcuate surface of a second jaw, the radius of a convex arcuate surface of the swing member is equal to that of a concave arcuate surface of the second jaw, and between the concave arcuate surface and the convex arcuate surface is provided with an engagement structure having a slot member and a peripheral protrusion so as to engage with each other. Besides, the reciprocatable open end wrench further includes a stop portion for resisting against the torque of the swing member, thereby enhancing the strength and preventing the related components to be damaged.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: February 1, 2011
    Assignee: Proxene Tools Co., Ltd.
    Inventor: Arthur Wu
  • Patent number: 7827887
    Abstract: A ratchet wrench allowing ratcheting rotations for applying a series of turning strokes to a bolt without disengaging between the strokes. The ratchet wrench has a wrench body and a ratcheting jaw. The wrench body has a head and a curved slot. The head has an inner surface. The curved slot is formed in the inner surface of the head. The ratcheting jaw is slidably mounted in the curved slot for applying a torque to a blot head during a rotation in the forward direction as well as for ratcheting rotation during a backward rotation.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: November 9, 2010
    Inventor: Li-Ju Lee
  • Patent number: 7788994
    Abstract: A symmetrical open-end wrench having rear side corners adjacent open ends of the throat of the wrench and opposing jaws defining an opening for receiving a fastener, the jaws having parallel planar section, and continuously diverging surfaces with fastener-engaging irregularities merging with the respective rear side corners in a smooth transition.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: September 7, 2010
    Assignee: Wright Tool Company
    Inventors: Richard B. Wright, Kenneth R. Milligan
  • Publication number: 20100139461
    Abstract: An improved die insert for gripping oil field tubular members in tubular handling systems such as power tongs, slips, safety clamps and the like. The die insert has a gripping surface which comprises a backing surface adapted to contact the tubular member. The backing surface may be smooth or it may have a series of teeth formed thereon. The backing surface further has a granulated particle coating applied thereto which forms the gripping surface of the present invention. In a preferred embodiment, the gripping surface will include a refractory metal carbide selected from the group consisting of the carbides of silicon, tungsten, molybdenum, chromium, tantalum, niobium, vanadium, titanium, zirconium, and boron.
    Type: Application
    Filed: February 17, 2010
    Publication date: June 10, 2010
    Inventor: Daniel S. Bangert
  • Patent number: 7673542
    Abstract: 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 space. At least one of the grooves includes a closed first end and an open second end.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: March 9, 2010
    Assignee: Easco Hand Tools, Inc.
    Inventors: David Ling, Hsien-Chung Tuan-Mu
  • Publication number: 20100050821
    Abstract: An oil filter wrench includes a flexible stainless steel band having a pattern of sputtered alloy material coating at least part of the inside surface of the band to enhance the gripping ability of the oil filter wrench as the band is tightened above the outside surface of a cylindrical canister during removal or installation of the oil filter canister.
    Type: Application
    Filed: August 27, 2009
    Publication date: March 4, 2010
    Applicant: Lisle Corporation
    Inventor: Gary L. Pullen
  • Patent number: 7661339
    Abstract: A wrench includes a handle and an open-end with two jaws and each jaw has a driving surface. Each driving surface has a contacting area and two yielding areas. The contacting area is located between the two yielding areas and includes a contact portion and two notches. The contact portion is located between the two notches, and two extension areas each are connected between the yielding area and the notch corresponding thereto. A corner is formed at a joint area of the contact portion and an inside of the notch so as to bite a rounded fastener head. The contact portions are matched with straight sides of a normal fastener head.
    Type: Grant
    Filed: August 10, 2008
    Date of Patent: February 16, 2010
    Assignee: Proxene Tools Co., Ltd.
    Inventor: Arthur Wu
  • Patent number: 7600450
    Abstract: A gripper is disclosed for gripping a tubular, e.g. to facilitate rotation of the tubular, the gripper including a body, the body having conformable material having an initial body shape, and the conformable material able to change the initial body shape upon contacting a tubular with the body, the tubular having a tubular shape, the conformable material able to conform to the tubular shape of the tubular to facilitate gripping of the tubular with the gripper. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: October 13, 2009
    Assignee: National Oilwell Varco LP
    Inventors: Timothy I. Montgomery, Matthew David Becker, Guy L. McClung, III
  • Publication number: 20090229424
    Abstract: A gripper is disclosed for gripping a tubular, e.g. to facilitate rotation of the tubular, the gripper including a body, the body having conformable material having an initial body shape, and the conformable material able to change the initial body shape upon contacting a tubular with the body, the tubular having a tubular shape, the conformable material able to conform to the tubular shape of the tubular to facilitate gripping of the tubular with the gripper. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
    Type: Application
    Filed: March 13, 2008
    Publication date: September 17, 2009
    Inventors: Timothy I. Montgomery, Matthew David Becker, Guy L. McClung, III
  • Publication number: 20090217790
    Abstract: An adjustable wrench for gripping hexagonal and other shaped heads includes two slightly non-parallel jaw faces, wherein one face is smoother than the other. The angle between the two jaw faces is extremely shallow to create a “snap-action” geometry. Combining that geometry with jaw faces of unequal roughness can result in a desirable binding action that causes the wrench to tightly grip the head. In some cases, the wrench will continue clinging to the head even after the user releases the handle of the wrench.
    Type: Application
    Filed: February 28, 2008
    Publication date: September 3, 2009
    Inventor: Robert J. Harter
  • Publication number: 20090193941
    Abstract: A wrench adapted to engage a workpiece to drive the workpiece rotationally. In one embodiment, the wrench comprises a handle, a head, a first jaw, a track, a second jaw, and a biasing member. The first jaw is disposed on the head such that the position of the first jaw is adjustable toward and away from the jaw support along a first path, thereby enabling the wrench to be adapted for engagement with workpieces of different sizes. The second jaw is slidably seated in the track formed on the jaw support to slide along a second path between a first position and a second position. The second jaw further cooperates with the first jaw to grasp a workpiece therebetween and drive the workpiece in a first rotational direction if the head is driven in the first rotational direction by the handle.
    Type: Application
    Filed: February 6, 2008
    Publication date: August 6, 2009
    Applicant: THE STANLEY WORKS
    Inventors: Light Chiu, Robert St. John
  • Publication number: 20090173134
    Abstract: A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform to at least a portion of the outer surface of a workpiece to be clamped, gripped or held. In some embodiments, at least one of the workpiece contacting surfaces is adapted to provide a treatment to a workpiece being clamped, gripped or held.
    Type: Application
    Filed: October 3, 2007
    Publication date: July 9, 2009
    Inventor: Kenneth H. Green
  • Patent number: 7546784
    Abstract: A pair of pliers include a shank, a fixed jaw locked onto the shank, and a movable jaw pivotally mounted on the shank and movable relative to the fixed jaw. Thus, the first contact point of the locking teeth of the fixed jaw and the second contact point of the first engaging teeth of the first toothed face of the movable jaw have a larger friction with a workpiece by a special angle design of the fixed jaw and the movable jaw to enhance the clamping force of the fixed jaw and the movable jaw on the workpiece, so that the workpiece is clamped by the fixed jaw and the movable jaw exactly and closely to prevent the workpiece from being slipped from the fixed jaw and the movable jaw during operation of the pliers.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: June 16, 2009
    Assignee: MH Corporation
    Inventor: Chiu-Ying Yu