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| Number | Title | Issue Date |
| 7327109 | Adjustable bridge for acoustic stringed instruments A bridge for providing adjustable active string length on acoustic stringed musical instruments comprised of a concavity surrounding a plurality of individually adjustable saddles that are arranged individually and independently to support each string and be freely ... | 02/05/2008 |
| 7246699 | Conveyor chain A section of chain for conveying product along a material handling system includes a pin connecting a center link between two side links. The pin may be dialable or selectably positioned at the side links to control and adjust the wear surface of the pin relative to... | 07/24/2007 |
| 6978885 | Hinge conveyor chain A hinge conveyor chain includes at least two links, each of the links include a pin engaging surface for engaging a pin hingedly coupling the at least two links together. A pin hingedly coupling the at least two links includes an outwardly facing surface slidably en... | 12/27/2005 |
| 6966435 | Oriented polymer hinge pins in modular plastic conveyor belts A modular plastic conveyor belt hingedly interconnected by hinge pins made of a highly oriented polymer material. The hinge pins are preferably extruded from a material including a highly oriented polymer, such as polyethylene, polypropylene, or nylon. Alternative m... | 11/22/2005 |
| 6109706 | Pin and bushing configuration for a track assembly In the operation of track-type machines, the pin and bushing assemblies incorporated in the track assemblies are typically lubricated to accommodate wear that occurs as they rotate relative to one another. Since the relative rotation occurs over a relativ... | 08/29/2000 |
| 5749634 | Elastic mounting for track pivot pins in endless hinged vehicular crawler drive tracks In hinge tracks with rubber mountings (5) in which rubber-lined tubular steel bushes mount track pivot pins (20), the pin ends are usually provided with screwthreaded projection portions so that the steel bushes (10) are motion-free braced relative to eac... | 05/12/1998 |
| 4892365 | Track unit for use in a vehicle track assembly The invention is a double pin track unit comprising a track body, two bores extending transversely through the body, a track pin within each bore extending the length of each bore, links keyed to the pins and extending radially from the bores, sleeves key... | 01/09/1990 |
| 4886324 | Bush assembly for track of tracked vehicle An improved bush assembly for insertion into an aperture of a lug of a track part of a tracked vehicle is disclosed. An exposed outermost side wall of the bush has an extended surface length, so that when under design precompression the wall makes angles ... | 12/12/1989 |
| 4735465 | Arrangement for the connection of the track links of endless crawler track vehicles An arrangement for the connection of track links of endless crawler track vehicles with articulated tracks and coupling chains, in which novel link pins, pursuant to their utilization in the articulated tracks or coupling chains, are provided with slide b... | 04/05/1988 |
| 4583792 | Assembling aid on crawler track chains An arrangement forming an assembling aid on crawler chains for track-laying or crawler track vehicles, whose chain link members are equipped with rubber-cushioned coupled pins, and which are interconnected through the intermediary of clamp-like connectors... | 04/22/1986 |
| 4195887 | Elastomeric bushings An elastomeric bushing especially useful in the construction of track-type vehicles. Track links of such vehicles are formed with circular openings and joined by octagonal link pins. A metal pin sleeve having an octagonally shaped internal opening slides ... | 04/01/1980 |
| 4141600 | Traction element for a vehicle track A modular track for a tracked vehicle is described. The track includes a plurality of traction elements, each made of a resilient material. Each element is shaped to define tapered ends and a lower ground-engaging surface having radiused surface portions ... | 02/27/1979 |
| 4093319 | Track construction for tracked land vehicles such as tanks A track construction, provided for tracked vehicles such as tanks, comprises alternate track members and connection members which are connected together by transversely extending connecting pins. The track members each comprise first and second spaced, pa... | 06/06/1978 |
| 4062598 | Wedge block lock for vehicle track end connectors In a track laying vehicle having ground-engagement shoes, the pivot pins of he shoes are coupled together by connectors which are locked in place by means of tapered wedge blocks; the mating surfaces of the pins are also tapered. The tapers on the blocks a... | 12/13/1977 |
| 3993366 | Vehicle tracks An endless track for a tracked vehicle is described. The track is of modular form and includes traction elements and track guiding elements. The elements are arranged in rows and are positioned symmetrically with respect to the longitudinal median line of... | 11/23/1976 |
| 3993367 | Guiding element for a vehicle track An endless track for a tracked vehicle is described. The track includes guiding elements pivotally coupled with other track elements. Each guiding element defines lateral guiding surfaces, a lower ground-engaging surface and lateral track driving projecti... | 11/23/1976 |
