Patents Assigned to Easco Hand Tools, Inc.
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Patent number: 7231851Abstract: 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 pawl so that rotation of a lever causes the pawl to move between a first position and a second position.Type: GrantFiled: March 7, 2005Date of Patent: June 19, 2007Assignee: Easco Hand Tools, Inc.Inventor: Hsien-Chung Tuan-Mu
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Patent number: 7222557Abstract: A ratcheting tool driver has a handle and a ratcheting body that includes a plurality of recesses for receiving a plurality of pawls having teeth formed thereon. A cover is axially secured to the ratcheting body and rotates relative to the body over a limited distance. The cover is formed so that it interacts with the plurality of pawls, which are operatively received in the body recesses so that they engage and disengage teeth formed on a socket ring. The socket ring contains a plurality of teeth on its outer circumference, is received in an axial bore formed in the ratcheting body, and operatively engages the pawl teeth.Type: GrantFiled: September 21, 2005Date of Patent: May 29, 2007Assignee: Easco Hand Tools, Inc.Inventors: Peng Li, Zhihong Fu, Kean-Tuan Tan, John Michael Underbrink
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Patent number: 7185566Abstract: 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 laterally with respect to the gear between a first position, in which the pawl is disposed between the body and the gear so that the body transmits torque through the pawl in a first rotational direction, and a second position, in which the pawl is disposed between the body and the gear so that the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear, and the pawl teeth define a second arc having a second radius larger than the first radius.Type: GrantFiled: February 14, 2006Date of Patent: March 6, 2007Assignee: Easco Hand Tools, Inc.Inventors: Robert L. Arnold, Richard P. Folkenroth
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Patent number: 7175032Abstract: A tool rack assembly comprises a board and a tool rack detachably mounted to the board. In another embodiment, a tool try-on device is provided comprises a board and a rotating member rotatably mounted to the board. The rotating member is engageable with an end of a tool. The rotating member moves in a direction transverse to a plane on which the board lies when the tool engaged with the rotating member is turned.Type: GrantFiled: June 22, 2005Date of Patent: February 13, 2007Assignee: Easco Hand Tools, Inc.Inventor: David Ling
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Patent number: 7159491Abstract: A ratchet wrench, the ratchet wrench having a head portion defining a substantially cylindrical inner engaging surface and a plurality of ribs extending radially inward therefrom. The socket includes a first portion defining a plurality of depressions axially aligned with the longitudinal axis in an outer surface thereof, the first portion being releasably received by the substantially cylindrical inner engaging surface, and a second portion including a cylindrical outer surface and defining a hexagonal recess therein. A grip ring includes a knurled outer surface and is disposed on the second portion outer surface. A magnetic insert is received in the hexagonal recess.Type: GrantFiled: September 7, 2005Date of Patent: January 9, 2007Assignee: Easco Hand Tools, Inc.Inventors: Peter C. Chaconas, Paul S. Steinweg
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Patent number: 7153214Abstract: A universal joint to transmit force from a tool to a workpiece. A driver attachable to the tool has a spherical cavity. A plurality of inwardly facing protrusions is formed in the cavity. Each protrusion has a pair of conical sidewalls separated by an angled ramp. A driven socket has a sphere formed on one end. The sphere has a plurality of channels. The sphere is received in the spherical cavity in the driver and the protrusions in the cavity are received in the channels. The drive webs forming the channel engage the protrusions when the driver is angularly offset from the driven socket.Type: GrantFiled: February 23, 2005Date of Patent: December 26, 2006Assignee: Easco Hand Tools, Inc.Inventors: Dana L. Delaney, Bruce Dexter, Awad Gharib
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Patent number: 7146884Abstract: An open end wrench for use with a fastener having a polygonal gripping portion has an elongated body, a first jaw having a first bite surface and a second jaw having a second bite surface. The jaws form a throat therebetween having a closed end and an open end. The bite surfaces are disposed with engaging surfaces so that majority components of force vectors applied normal to the first and second bite surfaces are directed parallel to the wrench handle axis.Type: GrantFiled: July 11, 2005Date of Patent: December 12, 2006Assignee: Easco Hand Tools, Inc.Inventors: Peter C. Chaconas, Dana L. Delaney, Awad Aly Gharib
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Patent number: 7137320Abstract: A ratcheting tool driver has a handle and a ratcheting body that includes a plurality of recesses for receiving a plurality of pawls having teeth formed thereon. A cover is axially secured to the ratcheting body and rotates relative to the body over a limited distance. The cover is formed so that it interacts with the plurality of pawls, which are operatively received in the body recesses so that they engage and disengage teeth formed on a socket ring. The socket ring contains a plurality of teeth on its outer circumference, is received in an axial bore formed in the ratcheting body, and operatively engages the pawl teeth.Type: GrantFiled: February 7, 2003Date of Patent: November 21, 2006Assignee: Easco Hand Tools, Inc.Inventor: Hsien-Chung Tuan-Mu
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Patent number: 7131353Abstract: 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 laterally with respect to the gear between a first position, in which the pawl is disposed between the body and the gear so that the body transmits torque through the pawl in a first rotational direction, and a second position, in which the pawl is disposed between the body and the gear so that the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear, and the pawl teeth define a second arc having a second radius larger than the first radius.Type: GrantFiled: February 17, 2005Date of Patent: November 7, 2006Assignee: Easco Hand Tools, Inc.Inventors: Robert L. Arnold, Richard P. Folkenroth
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Patent number: 7073412Abstract: A method is provided for forming a pawl pocket in a ratcheting tool wherein a keyway cutter at the end of an elongated pin removes material from the neck portion of a wrench. When removing material from the tool's neck portion, a predetermined path of the keyway cutter defines two flat surfaces on respective opposing sides of the pawl pocket, with each flat surface forming an angle preferably in the range of about 27 to 35 degrees between a centerline of the pawl pocket and the flat surfaces themselves.Type: GrantFiled: October 12, 2004Date of Patent: July 11, 2006Assignee: Easco Hand Tools, Inc.Inventor: Robert L. Arnold
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Patent number: 7059219Abstract: 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 transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.Type: GrantFiled: January 19, 2005Date of Patent: June 13, 2006Assignee: Easco Hand Tools, Inc.Inventors: Robert L. Arnold, Tzu S. Shzu
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Patent number: 7051623Abstract: The present invention provides a wrench having a handle integral with a ratchet head. The ratchet head defines a chamber having a generally circular sidewall. An annular rotor having radial teeth about an outer surface thereof is located in the chamber. The rotor teeth engage a set of teeth extending radially inward from the sidewall of the chamber. A biasing element, such as a leaf spring, is provided to urge the rotor teeth into engagement with the sidewall teeth. Preferably, the sidewall teeth will be configured having progressively increasing heights in the direction in which the rotor turns during ratcheting.Type: GrantFiled: July 27, 2004Date of Patent: May 30, 2006Assignee: Easco Hand Tools, Inc.Inventor: Peter C. Chaconas
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Patent number: 7028590Abstract: A retractable open-end wrench has a handle defining a web at one end thereof. A stationary jaw projects from a first side of the web, and a first channel is formed at a second side of the web opposite the first side, the first channel being defined by a first arc. A moveable jaw is received by the first channel and moves linearly through the first channel, wherein the jaws form an open end therebetween. A second channel formed in the movable jaw is defined by a second arc, wherein a length of the first arc is greater than a length of the second arc. Moreover, a first radius of the first arc is smaller than a second radius of the second arc, and the first channel and the second channel form a receiving hole.Type: GrantFiled: May 6, 2004Date of Patent: April 18, 2006Assignee: Easco Hand Tools, Inc.Inventor: Hsien-Chung Tuan Mu
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Patent number: 6988429Abstract: 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 transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.Type: GrantFiled: January 6, 2004Date of Patent: January 24, 2006Assignee: Easco Hand Tools, Inc.Inventors: Pei Y. Lee, Tzu S. Shzu, Robert L. Arnold
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Patent number: 6971287Abstract: 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 transmits torque through the pawl in a first rotational direction, and a second position, in which the body transmits torque through the pawl in an opposite rotational direction. The pawl defines a plurality of teeth facing the gear and engages a reversing lever that urges the pawl between the first and second positions. The reversing lever comprises a handle portion and bottom portion that receives a clip spring. The detent urges the pawl between the first and second position by engaging the walls of a recess in the back of the pawl.Type: GrantFiled: January 19, 2005Date of Patent: December 6, 2005Assignee: Easco Hand Tools, Inc.Inventors: Pei Y. Lee, Tzu S. Shzu, Robert L. Arnold
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Patent number: D514405Type: GrantFiled: July 23, 2004Date of Patent: February 7, 2006Assignee: Easco Hand Tools, Inc.Inventor: Peter C. Chaconas
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Patent number: D519008Type: GrantFiled: July 23, 2004Date of Patent: April 18, 2006Assignee: Easco Hand Tools, Inc.Inventor: Peter C. Chaconas
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Patent number: D523305Type: GrantFiled: May 3, 2004Date of Patent: June 20, 2006Assignee: Easco Hand Tools, Inc.Inventors: Bruce Dexter, Barry Buchanan, Gary Cromer
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Patent number: D541120Type: GrantFiled: July 23, 2004Date of Patent: April 24, 2007Assignee: Easco Hand Tools, Inc.Inventor: Peter C. Chaconas
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Patent number: D541122Type: GrantFiled: August 16, 2005Date of Patent: April 24, 2007Assignee: Easco Hand Tools, Inc.Inventor: Peter C. Chaconas