Class 73/862.642 - Closed loop (e.g., ring or tube)

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the elastic member is a hollow symmetrically
No. of patents: 30
Last issue date: 04/07/2009

Number	Title	Issue Date
7513170	Magnetic shear force sensor A shear sensor includes a stator structure, a transformer, and a ferromagnetic core. The stator structure distorts in two perpendicular axes upon application thereto of a shear force. The transformer is coupled to the stator structure, and includes a primary winding...	04/07/2009
7340368	Determination of dynamic axle loads and/or wheel loads of a wheel vehicle For determination of dynamic axle and/or wheel loads of a wheel vehicle (20), wherein for said wheel vehicle (20), at least two linear transversally oriented with respect to each other accelerations and three rotation rates of a rotation movement aroun...	03/04/2008
7316169	Load bearing device including overload indicator Load-bearing devices, each including an overload indicator of the present invention interconnecting load bearing connectors, preferably elongated load bearing connectors are provided. In preferred embodiments, the load bearing connectors are chains, ropes, wire rope...	01/08/2008
6774320	Standard attachment fittings for wire rope and chain enhanced to also perform load weighing functions Standard attachment fittings for wire rope and chain (WR&C) that are enhanced to also perform load weighing functions in lifting/support or pulling assembly applications. The existing unmodified shape of each typical WR&C fitting provides focused linear strain under...	08/10/2004
6183375	Apparatus and method for tuning a golf shaft A method of making a golf club includes making a first determination of the location of the effective seam in a shaft and then more precisely locating the seam before attaching a golf club head with the face of the club head facing in a neutral direction....	02/06/2001
5827981	Force measuring device A force sensing device (2) includes substantially inflexible connection portions (4, 8, 14, 16), and elastically deformable elongate leg members (18, 20) spaced apart and extending between the connection portions (4, 8, 14, 16) and having flared ends. The...	10/27/1998
5501111	Force sensor systems especially for determining dynamically the axle load, speed, wheelbase and gross weight of vehicles The invention comprises a force measuring system and an assembly procedure for the dynamic determination especially of axle loads, speed, as well as for assembly of force and acceleration sensors. The force measuring system can be laid permanently in the ...	03/26/1996
5410911	Load cell and a brake arrangement provided therewith A load cell for transmitting a signal depending on the force exerted thereon has an elastic element in the form of a rubber sleeve (11), which is in contact with a pressure transducer (14) and is enclosed in an annular compartment formed by an annular rec...	05/02/1995
5379653	Force measuring device A force measuring device has a cell possessing an axis and a ring. The ring is coaxial with the axis and is elastically deformable by shearing as a result of forces which are parallel to the axis and are input into the inner and outer sides of the ring. T...	01/10/1995
5329823	Interposed force sensor including amplifiers An interposed sensor having a housing whose lateral extend is not greater than the lateral extend of the machine parts is to be installed between and having a plurality of measuring elements welded under preloading to the housing. Electronics including ch...	07/19/1994
5214967	Cylindrical piezoelectric load sensor An apparatus for measuring force applied to a blank resting on a tool supported by a tool holder includes a tubular piezoelectric body having a central aperture extending between a first end and a second end of the body, a plurality of legs attached to an...	06/01/1993
5191783	Portable basketball rim testing device A portable basketball rim rebound testing device 10 is illustrated as a preferred embodiment for testing the rebound characteristics of a basketball rim 12 and its accompanying support system to determine the rebound characteristics of the system. The app...	03/09/1993
5036714	Coupling device for controlling axial thrust forces The present invention provides an apparatus for recording the axial force exerted by a coupling device. This apparatus measures the pressure which the axial force exerts on an elastomer-type spring-like element and for this purpose a pressure sensor is mo...	08/06/1991
5016481	Field-based movement sensor A field-based movement sensor adapted for measuring strain along a certain axis in an object on which the sensor is attached. The sensor includes a substrate having a working surface and formed with a pair of fingers projecting from a first direction, and...	05/21/1991
4873868	Force measurement sensor integrated on silicon, and a method of manufacture A mechanical magnitude sensor integrated on silicon, and a method of manufacture. The sensor comprises a bendably deformable conductive blade (4) whose free end (43) constitutes the first plate of a variable capacitor whose fixed second plate (24) is cons...	10/17/1989
4858475	Apparatus and method for measuring strain Apparatus and method for measuring strain on a pin with one or more strain gage elements disposed within an open-ended axial bore formed in the pin, wherein the strain gage element or elements is or are mounted on a plug that is inserted into the bore wit...	08/22/1989
4721001	Arrangement for mechanical measurement and regulation of pulling force of tractor An arrangement for mechanical measurement and for regulation of a pulling force of a tractor, has a bending-elastic element whose bending is sensed by a sensing device which acts on a lifting device for a three-point linkage of the tractor, wherein the be...	01/26/1988
4605829	Measuring the load on lifting equipment The measuring device is constructed as an oval chain link which upon experiencing load will tend to lengthen so that its long sides move closer to each other; switching devices or other proximity sensing devices respond to this approach to signal, for exa...	08/12/1986
4510814	Snap-in force sensor with bellows A snap-in LVDT force sensor includes a housing having separate chambers for enclosing an LVDT and an assembly of circuit components. One end of the housing is coupled for movement with one link of a two-link frame which is subject to the forces to be meas...	04/16/1985
4472976	Apparatus for measuring at least one component of the forces applied to a beam Apparatus for measuring at least one component of the forces applied to a beam comprises supports at a pair of spaced locations along the beam, each support having an arm, the arms extending axially toward each other. One arm carries a displacement sensor...	09/25/1984
4394885	Load receiver with improved fixing means This invention relates to load receivers in which a solid member with a constriction supplies the opposing elastic force. The connection between this solid member and the remainder of the load receiver is produced exclusively by pairs of bolts, tightly ho...	07/26/1983
4386533	Capacitance transducer A load transducer for sensing longitudinal tension includes a pair of deformable members with spaced-apart central portions, the spacing between which varies as a function of the longitudinal tension applied to the ends of the deformable members. The plat...	06/07/1983
4384496	Capacitive load measuring device A load measuring device which includes a hollow metal housing having a wall which is elastically deformable when the housing is subject to an applied load. The elastic deformation varies the capacitance of a capacitor located within the housing to provide...	05/24/1983
4295379	Gage to measure track tension A pair of flanged telescoping covers houses a main spring comprising two osed Belleville discs, which provide the elastically deformable metal that is squeezed when the gage is placed between the track and an idler wheel. Cam mechanism occupies a central...	10/20/1981
4283942	Load measuring device A load measuring device for use with a link formed as a loop and with the link having end portions for receiving a load on the link along a first axis, including a load cell for mounting across the link and within the loop and along a second axis substant...	08/18/1981
4175430	Load measuring apparatus There is provided load measuring apparatus for determining loads applied to a rolling element bearing. A rolling element of such a bearing is provided with a substantially centrally disposed cavity within which is supported sensing means adapted to monito...	11/27/1979
4175428	Capacitive dynamometer A capacitive dynamometer comprises an elastic body with a measuring cavity which is deformed in different directions when a mechanical force to be measured is applied to the elastic body. Deformation of the inner wall of the cavity in different directions...	11/27/1979
4123735	Induction-type meter for measuring mechanical quantities An induction-type meter for measuring mechanical quantities, comprising a first converter to convert the controlled parameter into a displacement and having elements adapted to be moved relative to each other, and a second converter to convert the displac...	10/31/1978
4079624	Load washer transducer assembly A load washer transducer assembly includes a cylindrical housing symmetrically disposed about a given axis and having a longitudinal central aperture extending from a top to a bottom surface. The loop and bottom surfaces each have a peripheral flange coax...	03/21/1978
4048850	Mechanism for gauging the catch within a trawl net The present invention is related to a mechanism for guaging the expansion of a trawl net in correspondence with the number of fish caught within the trawl. The mechanism includes sensors adapted to be fastened to the masks of the trawl net in order to sen...	09/20/1977

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Class 73/862.642 - Closed loop (e.g., ring or tube)