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| Number | Title | Issue Date |
| 7402108 | Flexible shaft coupling A flexible shaft coupling has first and second hubs, each of which is provided with flanges and connected to a transmission shaft. The flange of the first hub has spring holes extended therethrough. A cover is fixed to the second hub so that the flange of the first ... | 07/22/2008 |
| 7370854 | Self damping compression spring assembly for a fuel injection device A compression spring assembly is disclosed herein. The compression spring assembly may be used in a fuel injection device and may include a compression spring having first and second adjacent turns spaced apart by a distance. The compression spring assembly may furt... | 05/13/2008 |
| 7357380 | Anti-vibration element In order to reduce the formation of inherent vibrations in the coil spring in an anti-vibration element, in particular for a manually operated tool such as a chainsaw, a parting-off grinder or similar device and having a coil spring, an additional mass is positioned... | 04/15/2008 |
| 7350774 | Long travel, high force combination spring A long travel, varying spring rate combination spring includes two differing rate springs connected end-to-end in such a way that the lower rate spring is compressed until positive engagement of a plunger with an intermediate flange member occurs with the higher rat... | 04/01/2008 |
| 7249776 | Opposing spring resilient tension suspension system A suspension and method applies the unsprung weight of the wheels and axles to reduce the motion of the sprung weight of chassis. The suspension has a load bolster supporting the sprung weight at a ride height and a rebound member between the wheel axle support and ... | 07/31/2007 |
| 7247007 | Linear compressor A linear compressor includes a cylinder part and a piston part. A spring connects the cylinder part and the piston part and operates in the direction of reciprocation of the piston part relative to the cylinder part. The piston part includes a radially compliant but... | 07/24/2007 |
| 7213802 | Closed end type coiled spring with reduced initial deflection In a coil spring of closed-end type, the coil spring is characterized in that a coupler is fixedly mounted between: an outer peripheral surface of a terminal convolution of a coil element rod; and, an outer peripheral surface of a subsequent convolution subsequent t... | 05/08/2007 |
| 7032913 | Opposing spring resilient tension suspension system A suspension and method applies the unsprung weight of the wheels and axles to reduce the motion of the sprung weight of chassis. The suspension has a load bolster supporting the sprung weight at a ride height and a rebound member between the wheel axle support and ... | 04/25/2006 |
| 6789790 | Helical coil spring damper assembly A device for reducing the resonant vibrations of a helical valve spring of an internal combustion engine includes a member, such as a tension cable, attached between one end of the spring and a coil mid-section of the spring for limiting the movement of the coil mid... | 09/14/2004 |
| 6619638 | Supplementary torsion spring assembly A supplementary spring assembly (104) is fitted to three consecutive turns (86.1, 86.2, 86.3) of a vehicle suspension coil spring (102). The spring assembly (104) includes a central torsion-producing portion (105) having a pair of half-turn torsion spring... | 09/16/2003 |
| 6604736 | Spring assembly with captured core A spring assembly comprising: an axially extending coil formed from a spring wire and having first and second ends and a length there between with an interior having a generally circular cross-section. The coil includes first end portion with a first diam... | 08/12/2003 |
| 6457704 | Coil spring noiseguard for a vehicle suspension A noise reduction assembly includes a substantially annular isolator and a substantially annular noise guard extending therefrom. The isolator and the noise guard sandwich a first convolution of a vehicle suspension coil spring. The noise guard is aligned... | 10/01/2002 |
| 6409160 | Methods of manufacturing coils and apparatus for same A spring assembly having a coil containing a core and methods and apparatus for manufacturing same are disclosed. The coil includes a core between reduced portions of the coil. One device for manufacturing the coil includes a coiling machine having an ins... | 06/25/2002 |
| 6382607 | Methods of manufacturing coils and apparatus for same A spring assembly having a coil containing a core and methods and apparatus for manufacturing the same are disclosed. The coil includes a core between reduced portions of the coil. One device for manufacturing the coil includes a coiling machine having an... | 05/07/2002 |
| 6378854 | Methods for manufacturing coils and apparatus for same A spring assembly having a coil containing a core and methods and apparatus for manufacturing the same are disclosed. The coil includes a core between reduced portions of the coil. One device for manufacturing the coil includes a coiling machine having an... | 04/30/2002 |
| 6371465 | Coil spring assembly and mounting device with bend control A coil spring assembly for positive control of the bending of the coil spring having a curved bend control member, which is either a tapered insert member positioned in the coil spring or alternatively a curved exterior surface positioned outside the coil... | 04/16/2002 |
| 6341767 | Spring for valve control in engines A spring system includes an axially moving center attachment located between two static attachments. Bi-directional axial center deflections cause push-pull restoration forces. There is little mechanical fixturing preload stress acting on material also su... | 01/29/2002 |
| 6264183 | Methods of manufacturing coils and apparatus for same A spring assembly having a coil containing a core and methods and apparatus for manufacturing same are disclosed. The coil includes a core between reduced portions of the coil. One device for manufacturing the coil includes a coiling machine having an ins... | 07/24/2001 |
| 6260833 | Fail safe coil spring including mounting mechanism This disclosure sets out an improved coil spring responding in compression to a tensile load. The load is applied by load engaging equal and oppositely deployed hooks wherein both hooks have a load engaging throat at the lower end connected with a pair of... | 07/17/2001 |
| 6186488 | Arrangement for blocking a spring in a spring strut An arrangement is provided for blocking a spring in a spring strut of a motor vehicle. A spacer element for transporting a vehicle consists of at least one segment which can be snapped into the spring and is supported by a lower free end on a stationary s... | 02/13/2001 |
| 6120014 | Twist-correcting device for wire rope isolator A twist-correcting device for a wire rope isolator, the retaining bars of which may become twisted in the process of installing the conventional wire rope isolator between a platform and an apparatus, which makes it difficult to assemble the wire rope iso... | 09/19/2000 |
| 6098970 | Spring breakage safety system A spring having a helical body with opposed ends and two flexible safety cables each of which is coupled to one of said opposed ends, with the two flexible cables extending in opposite directions pass the center of the helical body, terminating in an atta... | 08/08/2000 |
| 5823518 | Spring guide retainer A spring guide retainer is provided for preventing buckling of a spring during spring compression as an upper die moves toward a lower die in a stamping operation. The spring guide retainer comprises a spring guide housing to hold the spring location, a s... | 10/20/1998 |
| 5433687 | Free-weight exercise apparatus According to one aspect of the invention, a free-weight exercise apparatus is provided that includes a left standard and a right standard that are removably joined in spaced-apart relationship by a cross connector. The left and right standards are prefera... | 07/18/1995 |
| 5390903 | Variable force die spring assembly A variable force die spring is disclosed which combines high force, short axial compression distance spring assembly, such as belleville springs, and low force, high axial compression distance springs, such as coil springs, in a telescoping casing having ... | 02/21/1995 |
| 5368283 | Torsion spring assembly with interlocking bushings A torsion spring assembly particularly adapted for use in closing the throttle valve of an automotive throttle body. The assembly includes two bushings formed with sleeves adapted to telescope into the end portions of a torsion spring. As an incident ther... | 11/29/1994 |
| 5360211 | Springs and locking collars for retractable sleeve-protected injection apparatus This is an all-plastic protective sleeve for the needle of a medical device. It comprises, a plastic base carrying a bottom end of the needle; a plastic end-cap slidably mounted on the needle adjacent a tip end thereof; a plurality of longitudinal plastic... | 11/01/1994 |
| 5351947 | Sheet sorting apparatus The vertical stack of trays in a movable tray sorter for sheets of paper exiting a copies is moved in a manner to enlarge the spacing between consecutive pairs of the trays to accept consecutive sheets of paper by moving the trays along a pair of helical ... | 10/04/1994 |
| 5316259 | Cycle seat support apparatus An apparatus is described for use in dampening impact loading transmitted between a cycle frame and a cycle seat. The cycle seat support apparatus has: an elongated sleeve attachable at one end to the cycle frame and having an opening extending into the s... | 05/31/1994 |
| 5209138 | Handlebar assembly for cycles A handlebar including a shank, a ring formed integral in the shank, a number of teeth formed in the ring, a rod slidably engaged in the ring, a number of teeth formed on the rod for engagement with the teeth of the ring so as to prevent the rod from rotat... | 05/11/1993 |
| 5105570 | Firing pin spring assembly A spring assembly for use in a firing pin assembly of a firearm and a method of manufacturing the spring assembly. The spring assembly has two spring guides with longitudinal slots. One of the guides has a side aperture such that the two guides can be con... | 04/21/1992 |
| 5064160 | Clamping device A device for clamping a panel such as a conveyor belt skirt rubber in position, comprising a support body attachable to a fixed support such as a conveyor feed boot or skirt board, a clamp arm pivotally mounted to the support body, and resilient biasing m... | 11/12/1991 |
| 5056764 | Shock absorber for use in toys A shock absorber for use in toys comprising a rod for supporting a wheel, a retainer slidably along the rod, and a spring interposed between the lower section of the rod and the retainer which forces the retainer upwardly. These members can be pre-assembl... | 10/15/1991 |
| 5036238 | Rotor of salient-pole type rotary machine A rotor of a salient-pole type rotary machine is disclosed in which field coils are held by a coil brace disposed between adjacent magnetic poles. In addition to the coil brace, a holder provided with an elastic member is also disposed between the magneti... | 07/30/1991 |
| 4923182 | Spring energized air guns An anti-vibration damping device for the main spring of a piston air gun comprises an insert body extending longitudinally within the spring coils and a locating portion at one end on which an end of the spring seats, the insert body including resilient l... | 05/08/1990 |
| 4916763 | Pool deck protector A pool deck protector comprising an enlarged body portion tapering into narrow elongated strips at either end, where the body portion is adpated to underlie the body of a spring member forming part of a pool cover tensioning arrangement. The aforesaid str... | 04/17/1990 |
| 4905574 | Single-acting rotary pneumatic actuator, including at least a precompressed spring assembly The rotary actuator includes at least a precompressed spring assembly comprising a compression coil spring the ends of which are engaged by flanged cups adapted to limit the spring extension and carried slidably on a pin provided, at each end, with a circ... | 03/06/1990 |
| 4871300 | Compressor spring mounting This invention relates to an insert freely displaceable in a coil spring that at opposite ends abut against spring support formed in a motor compressor unit capsule and a spring support formed by a stator plate. The spring supports project into the opposi... | 10/03/1989 |
| 4869473 | Resilient device for connection between two structural elements, particularly for connecting the control shaft of a braking modulator to an axle of a motor vehicle The device comprises two rods which are each intended to be connected to one of the structural elements, and at least one helical spring whose ends are connected to two discs, each associated with one of the rods, so as to oppose the movement apart of the... | 09/26/1989 |
| 4856765 | Spring apparatus A spring apparatus has a spring body including a plurality of elastic longitudinal beam members and a coupling beam member for holding the elastic longitudinal beam members at a predetermined interval. The apparatus further has a pair of spring retaining ... | 08/15/1989 |
