Class 73/862.26 - Bending beam type

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the tool comprises an elongate, resilient
No. of patents: 40
Last issue date: 03/17/2009

Number	Title	Issue Date
7503228	Electronic torque spanner An electronic torque spanner includes a driving portion having a driving head for engaging a screwing object, and having a connecting segment, and a handle having a connecting space defined by the inner peripheral surface at the opening end of the handle. The connec...	03/17/2009
7392711	Insertable strain gauge spanner An insertable strain gauge spanner which comprises a spanner body having a rod body and a driving head insertable into the rod body; the rod body having a handle and an inserting opening at one end thereof; the inserting opening can be received the driving head; the...	07/01/2008
7392712	Electronic torsional tool An electronic torsional tool includes a main body, and a strain gauge mounted in the main body. The main body is provided with an opening to enhance flexibility of the main body and to increase deformation of the strain gauge. The opening is extended through the han...	07/01/2008
7380472	Hand tool with torque measuring device A hand tool includes a handle and a function head is connected to an end of the handle. A first recess and a second recess are respectively defined in two opposite sides of the handle, and a strain transducer is engaged with the first recess. A display member and a ...	06/03/2008
7370539	Electronic torque wrench with a rotatable indexable display device An electronic torque wrench for engaging a workpiece includes a wrench body having a first end and a second end. A wrench head is disposed on the first end of the wrench body and is configured to engage the workpiece. A grip handle is disposed on the second end of t...	05/13/2008
7367250	Digital beam torque wrench A digital beam-type torque wrench has a main beam and a stationary beam having a distal end thereof fixedly attached at or near a distal end of the main beam. A sensing assembly is disposed generally at a proximal end of the main beam and includes a displacement sen...	05/06/2008
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
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
7313990	Electronic torque wrench An electronic torque wrench includes a head portion, a handle portion connected to the head portion and having a tubular wall that defines a receiving space, a strain sensor unit disposed in the head portion, and an indicator unit disposed in the receiving space and...	01/01/2008
7287439	Apparatus for measuring torque of a torque tool by using an indirect structure The invention provides an apparatus for measuring torque of a torque tool by using an indirect structure arranged on one side of the torque tool, in which the apparatus comprises a microstructure part connected with a side surface of the torque tool. The microstruct...	10/30/2007
7281438	Torque measuring apparatus A torque measuring apparatus is described that comprises a chassis, a reversible electrical motor having a motor housing and a rotatable output shaft projecting from one end of said motor housing, motor mounting means mounting said motor housing for rotation relativ...	10/16/2007
7222544	Electronic torque-tool tester An electronic torque-tool tester (10) designed to verify that various mechanical, electrical and pneumatic torque tools such as a torque wrench, are correctly calibrated. The tester (10) includes a housing (50) that is bordered by a horizontal m...	05/29/2007
7104144	Handle tool with high sensitive electronic strain measurement A handle tool with high sensitive electronic strain measurement comprises a driving portion for driving an object; a handle connected to the driving portion; the handle having an integrating element; a first groove and a second groove being formed at two sides of th...	09/12/2006
7089810	Torque applying tool with display window A torque applying tool includes a handle and a function end which includes two jaws. A first resistive strain gauge and a second resistive strain gauge are respectively connected to two respective insides of the two jaws. A third resistive strain gauge is connected ...	08/15/2006
7055415	Screwdriver assembly and method with torque measuring scale A screwdriver having a handle and a scale for measuring torque transmitted to a screw and having a beam-type spring for transmitting the screwing torque. The handle and spring have a lost-motion connection therebetween, and there is limit stop in that connection. Th...	06/06/2006
7044003	Torque measuring device for electric motors A torque measuring device for electric motors comprising a stator and a rotor is disclosed in which a holding apparatus to hold the stator of a test electric motor is provided, a drive apparatus for the rotor is provided and a torque sensor that is coupled to the dr...	05/16/2006
7000508	Device for numerically displaying torque of torque wrench having a preset maximum torque Disclosed is a torque wrench comprising a signal generator including a spring biased against a trigger member, a sensor, and a disc biased between the spring and the sensor, a setting assembly including a cylindrical member for receiving the disc and the sensor, a c...	02/21/2006
6948380	Torque-indicating wrench A torque-indicating wrench includes a wrench body with a head to engage and turn a workpiece, and a stem having an inner peripheral wall with longitudinal and transverse wall segments. A strainable body made of a material with an elasticity modulus smaller than that...	09/27/2005
6931969	Adjustable spanner having a torque detection function A adjustable spanner includes a main body having a first end formed with a handle portion and a second end formed with a drive portion having a fixed jaw, a movable jaw movably mounted on the drive portion relative to the fixed jaw, and a torque detection device mou...	08/23/2005
6928885	Torque-indicating wrench A torque-indicating wrench comprises a wrench body including a head to engage and turn a workpiece, and a stem having two outer longitudinal wall segments. A strainable body made of a material with an elasticity modulus smaller than that of the stem has a gage carry...	08/16/2005
6920811	Bent wrench having torque measurement function A bent wrench includes a wrench body including a handle formed with a bent portion, and at least one strain gauge mounted on a connection of the handle and the bent portion to measure the torque of the wrench body. Thus, the strain gauge is extended through the conn...	07/26/2005
6910390	Hand held torque meter The hand held torque meter is illustrated and described. The meter is capable of readily measuring the amount of torque required to loosen or apply a closure to the threaded finish of an associated container. ...	06/28/2005
6070506	Ratchet head electronic torque wrench A ratcheting electronic torque wrench has an input beam in the form of a hollow housing with a handle end and a work end, a ratchet head disposed within the work end of the housing and rotatable relative thereto and a reaction beam disposed within the hou...	06/06/2000
5452617	Tool for measuring force needed to operate railroad track switches A tool measures the force required to move the handle of a railroad track switch between first and second positions that open and close the switch. The tool includes (1) an elongate tool handle; (2) a clamp for clamping the tool handle to the end of the s...	09/26/1995
4982612	Torque wrench with measurements independent of hand-hold position A torque measuring wrench includes a deflection beam provided with a socket head at one end and having a region of reduced cross-sectional area. Four strain gauges are mounted on the beam and connected in a measuring bridge, with one gauge disposed at the...	01/08/1991
4864841	Electronic torque wrench An electronic torque wrench equipped with at least two strain gages placed on both sides of a crosswise plane on a part forming a sensor and each supplying an output voltage, C1 and C2 respectively, which, depending on torque C appli...	09/12/1989
4805464	Dial torque wrench structure A dial torque wrench structure including an elongate rigid metal lever arm with a work-related front end and a manually engageable rear end. An elongate resilient metal deflection beam with front and rear ends is positioned adjacent to and parallel with t...	02/21/1989
4742719	Mixing process simulating method and system for evaluating wedge flow A process simulator system for analyzing the forces imposed upon a mixing paddle of a predesignated configuration utilizes a rotary container with a curvilinear interior wall surface. A shaft extends into the container from above and supports a mixer padd...	05/10/1988
4716614	Device for monitoring the process of toothbrushing A device for monitoring the process of toothbrushing has a handle that is electrically connected to signalling means. The handle has a neck and the neck is designed to consecutively receive various heads of toothbrushes. Removable and replaceable heads, w...	01/05/1988
4679029	Optoelectronic rotational position sensor An apparatus is disclosed for sensing rotational or angular position of a shaft. The apparatus incorporates two light transmission paths, each having a separate photodetector providing an electrical signal in response to the intensity of received light. T...	07/07/1987
4641538	Lightweight electronic torque wrench An electronic torque wrench has a rigid metallic sleeve of generally regular section extending along a tool axis and having a front end and an opposite handle end and a holder integrally formed with a flat rear part, a socket-like front part, and a flat w...	02/10/1987
4589289	Device for tightening a screw fastening, especially for tightening it beyond the yield point by controlling the angle of rotation Device for tightening a screw fastening or the like. The device includes a tubular housing with a head piece for joining with the screw fastening, and a handle for gripping the housing and applying torque thereto. Inside the tubular housing there is a dev...	05/20/1986
4561332	Torque wrench A torque wrench having a reaction bar and an arm extending laterally in the same direction from a work engaging head. The arm is flexed in response to torque applied to the head through the bar and cooperable members on the bar and arm respectively engage...	12/31/1985
4558601	Digital indicating torque wrench A digital indicating torque wrench comprising a shaft having a high modulus of elasticity and including a handle at one end, and an elongate actuating arm including a free end which moves with respect to the shaft in response to the application of torque ...	12/17/1985
4522075	Torque wrench A torque wrench including an elongate deflection beam section. Two strain gauges are attached to the beam in longitudinal spaced relationship from the ends thereof and relative to each other. Each strain gauge is connected in a related cyclically energize...	06/11/1985
4336637	Safety clamp A clamp used on pipe comprises a clamp having a body adapted to be positioned around the pipe having first and second ends, gripping members for engaging the pipe connected to the body and a screw member pivotally connected to the first end of the body fo...	06/29/1982
4056956	Tool for determining safe lock component positions A tool for assisting in determining the locations of disc gates relative to a tailpiece in a combination lock includes a block mounted on a safe handle, a shaft extending from the block, a first pointer extending from the block along the shaft and a secon...	11/08/1977
4006629	Torque measuring apparatus A torque measuring apparatus having a head adapted to rotate about an axis of rotation and a lever arm extending from the head and perpendicular to the axis of rotation designed to react to normal forces applied at a distance from the head. On the lever a...	02/08/1977
3995477	Torque spanners A torque spanner (or other tool for tightening threaded fastenings) which can be carried by the operator in his hand. The spanner incorporates a strain gauge which is arranged to provide an electrical output voltage dependent on the torque applied. An ind...	12/07/1976
3970155	Electronic torque wrench An electronic torque wrench including a strain measuring bridge circuit disposed to measure the bending strain of the handle thereof, a NAND gate circuit connected to alternately excite the bridge according to the switching state thereof, a differential c...	07/20/1976

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Class 73/862.26 - Bending beam type