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| Number | Title | Issue Date |
| 8187105 | Flange joint Methods and apparatus are provided for assembling a flange joint for use in a driveline. In an exemplary embodiment the apparatus includes a first flange with a first recess. A second flange may be configured to join with the first flange for translating rotational ... | 05/29/2012 |
| 7318685 | Tension decoupler device A tension decoupler includes first frangible rupture members, arranged in parallel to each other, and second structural rupture members, arranged in parallel to each other and parallel to the first rupture members. The frangible rupture members and the structural ru... | 01/15/2008 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7201529 | Retaining device for a connection device, decoupling system equipped with such a device A retaining device is designed to retain a portion of an assembly device. The portion of the assembly device is released during failure of the assembly device. The retaining device includes a fixed part, a mobile part capable of sliding with respect to the fixed par... | 04/10/2007 |
| 7156743 | Mechanical fuse and method of manufacturing the same An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing the same are presented. The mechanical fuse is composed of Fe-based sintered alloy, and comprises an inn... | 01/02/2007 |
| 7125026 | Cam-bolt assembly A cam bolt assembly for using in a vehicle's suspension system to adjust the vehicle's wheel alignment having a threaded fastener defining a pair of longitudinal channels, a first cam plate is coupled to the threaded bolt, a second cam plate defining an aperture is ... | 10/24/2006 |
| 7086432 | Flex coupling for grinders and chippers A cutting machine and a method of using the cutting machine includes a cutting apparatus having a cutting device, a jackshaft sheave, an endless belt and an engine sheave. The cutting machine may have a jackshaft sheave, which is rotatably connected to the cutting i... | 08/08/2006 |
| 7078112 | Mechanical fuse and production method for the same A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is applied. The mechanical fuse includes a Fe-based sintered alloy that has at least one element of P at 0.15 t... | 07/18/2006 |
| 7040470 | Overload clutch for protecting a drive train An overload clutch for a torque transmission is disclosed which comprises a rotatable drive member coaxially coupled to a rotating driven member. One of the drive member and driven member, hereinafter referred to as the first member, comprises an annular band delimi... | 05/09/2006 |
| 7040989 | Power transmission device A power transmission device which interrupts torque transmission when the torque exceeds a predetermined torque. A torque limiter includes projections formed on a center hub and a pulley. The center hub includes bridges that transmit torque by a pulling force. When ... | 05/09/2006 |
| 7025680 | Torque transmission device having torque limiter A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a drive source. The cylindrical member is connected to a rotatable shaft of a compressor and is rotated integ... | 04/11/2006 |
| 7000751 | Normally open clutch assembly device A normally open clutch assembly includes a device holding a centrifugal weight in a position causing axial movement of pressure plates and thereby a clamping force between pressure plates and the friction disks. The clamping force holds the friction disks in a desir... | 02/21/2006 |
| 6764404 | Drive shaft coupling device An improved drive shaft connecting device, including a novel shear bolt (50) for connecting two ends or flanges (42, 44) of the drive shaft connecting device in a manner whereby the separate parts of the drive shaft connecting device are securely conne... | 07/20/2004 |
| 6698980 | Rock stabilizing apparatus and method A rock stabilizing apparatus and method for use with adhesion materials has a tensionable reinforcing member having a threaded portion at one end and an opposite end. The member-threaded portion threadably receives a nut and a bearing plate is retained on... | 03/02/2004 |
| 6691844 | Drive assembly, especially for agricultural implements A drive assembly, especially for agricultural implements with rotatingly driven masses, has a shear pin coupling (1) with a coupling hub (3) and a coupling sleeve (12) rotatable relative to the coupling hub (3). A ratchet gear (20) supported on the coupli... | 02/17/2004 |
| 6491587 | Spindle collision protection adaptor A device for preventing damage to a driven spindle of a rotatably driven mechanism upon the occurrence of a radially-inwardly applied force wherein the spindle is disconnected without damage. The disclosed construction is particularly useful in conjunctio... | 12/10/2002 |
| 6398654 | Overload clutch A drive shaft and driven chain sprocket are interconnected by an overload clutch embodying a shear pin. The overload clutch includes a first clutch element fixed for rotation with the shaft, a second clutch element mounted on the shaft next to the first c... | 06/04/2002 |
| 6332842 | Rotation transmitter having torque limiting mechanism A torque limiting mechanism includes an axial space formed in a cylindrical wall of a pulley, and a pin protruding and extending from a back surface of a discharge disc. The pin is inserted into the axial space, and a rubber damper is installed between th... | 12/25/2001 |
| 5807179 | Torque overload free motion devices A torque overload coupler for a driveline allows limited free motion. In one embodiment, torque overload protection is provided by a friction slip clutch and tangs formed at the inner perimeter of a clutch plate fit into spaces between lugs defined on a h... | 09/15/1998 |
| 5779587 | Jam tolerant rotary actuator with shear pins and disengagement coupling A jam-tolerant geared rotary actuator, capable of performing in a normal operating mode and a jam-tolerant operating mode, which includes: an output spline member for releasably connecting the movable ring gear to the output ring; a decoupling member whic... | 07/14/1998 |
| 5715662 | Drive shear device for rotary cutter unit Each knife-carrying disk of a rotary cutterbar has a hub connected to a drive shaft through means of a shear device. In a first embodiment of the invention, the shear device is in the form of either a collar or a clamping member having internal splines re... | 02/10/1998 |
| 5651629 | Coupling device for drive shafts A device for connecting the ends of two aligned sections of a hollow drive shaft which are rotatable about a common axis has first and second coupling members for securing to the ends of the drive shaft sections. At least two shearable bolts or pins conne... | 07/29/1997 |
| 5409238 | Target practice device The present invention target practice device is fitted with a hub which, together with a malleable key, pivotally drives a holder upon which a target is mounted to at least two positions--a lay down position and a pop-up position. The malleable key has a ... | 04/25/1995 |
| 5383743 | Vehicle having a drive train with two shock-absorbing couplings A vehicle with a drive train having two shock-absorbing couplings. The drive train includes an engine, a transmission, the two shock-absorbing couplings connected together, a differential, a drive assembly and a rotatable assembly, such as a cutter drum. ... | 01/24/1995 |
| 5024632 | Transmission shaft with shear section and debris retainer A transmission shaft having a shear neck portion adapted to attract failure of the shaft in the event of an overload includes an annular retainer to retain debris resulting from a failure of the shaft.... | 06/18/1991 |
| 5000720 | Shear pin coupling A shear pin coupling between two members has shear pins accommodated in a holder which is releasably mounted on a coupling member. The pins extend through holes in a supporting flange ring which is a component of the member. Resilient packing is positione... | 03/19/1991 |
| 4947972 | Axially frangible automatic torque limiting clutch A mechanical automatic torque limiting clutch containing an axially frangible and easily replaceable component is disclosed. The clutch is capable of limiting torque output by adjusting the friction between spring loaded input and output plates, and furth... | 08/14/1990 |
| 4944379 | Torque limiter A mechanical device for limiting the maximum torque transferred from a driving shaft to a driven power transmission element including an adapter which rotates fully around a power transmission element; a sleeve firmly affixed to and rotating with the driv... | 07/31/1990 |
| 4894043 | Torque transmitting coupler with shear capability and component separation containment A torque transmitting coupler drivingly connects a rotary drive mechanism, such as a earth boring auger, and a rotary driven tool, such as a screw anchor. The coupler includes driving and driven members. The driving member has thereon a drive mechanism co... | 01/16/1990 |
| 4871296 | Decoupler shaft and air turbine starter having such a decoupler A torque limiting decoupler shaft transmits driving torque in a first sense without torque limiting action. However, torque applied to the shaft in a reverse sense opposite the driving torque results in an axial separating force between two portions of th... | 10/03/1989 |
| 4859156 | Coupling mechanism for a compressor A coupling mechanism for a compressor of an automotive air conditioning system which is provided with a safety mechanism for preventing damage to the engine due to compressor failure. A front end plate with a tubular extension which extends in the directi... | 08/22/1989 |
| 4771593 | Convertible blade hub A blade coupling assembly includes a spindle having a base plate and a collar which fits about the drive shaft of an engine. A pair of locking pins are removably received within pockets formed on opposite sides of a central bolt opening in the base plate.... | 09/20/1988 |
| 4758109 | Shear joint for yoke A shear joint for torsionally connecting a hub to a yoke for a universal joint includes a shear bolt of a certain length extending through a flange of the hub into a radially disposed T-shaped slot in a flange of the yoke. A nut is inserted into the later... | 07/19/1988 |
| 4755632 | Mechanical fuse for a cable connection tail of a submarine repeater A mechanical fuse for a cable connection tail of a submarine repeater in a cable transmission link, said cable connection tail extending from a case for repeater equipment, having a "free" end for connection to the head of a line cable fixed to the repeat... | 07/05/1988 |
| 4743216 | Rotary safety coupling for transmitting large torques A rotary elastic safety coupling for steel rolling mills comprises two coupling halves and an intermediate disk, elastic rubber components being provided in one of the coupling halves for absorbing shocks, while transmitting normal torques. A plurality of... | 05/10/1988 |
| 4543074 | Device for coupling two rotary machines A device for coupling two rotary machines with provision for automatic uncoupling under certain operational conditions, comprising a first shaft and a second shaft in two parts which are connected for motion transmission in a first sense by a dog clutch c... | 09/24/1985 |
| 4452095 | Overload protection for metal forming machine A metal forming machine for forming articles from metal workpieces has a plurality of driven members for performing work on the metal workpieces. A drive shaft is connected with the driven members for transferring force to the driven members. A frangible ... | 06/05/1984 |
| 4411635 | Shear overload release coupling A coupling between a driving shaft and a driven shaft includes a replaceable insert which shears at a predetermined torque.... | 10/25/1983 |
| 4389202 | Shearing pin moment of rotation limiting arrangement for two constructional units that are rotatable relative to one another A torsionally elastic shaft coupling arrangement with shear pins, and with a common cone bearing surface being utilized to drive the units. The coupling arrangement includes first and second constructional units which are rotatable relative to each other,... | 06/21/1983 |
| 4359880 | Backlash free shear joint Side plate members have a connecting clevis at one end and portions which encircle and clear the hub of a flanged hub member at the other end. Shear pins mount in holes provided in the flange and side plates such that relative motion between the hub and c... | 11/23/1982 |
