Class 305/106 - With seal between connector pin and track link

Subclass of Class 305 - Wheel substitutes for land vehicles
Definition: Apparatus wherein the dustproof and waterproof elastomeric
No. of patents: 25
Last issue date: 09/27/2011

Number	Title	Issue Date
8025346	Machine component configuration for enhanced press fit and press fit coupling method A machine is provided including a frame and at least one track, such as first and second ground engaging tracks, coupled with the frame. A plurality of pins are provided which each couple together at least two of the links of the tracks and include an outer diameter...	09/27/2011
7347513	Cartridge assembly for a track chain of a track type machine and machine using same A cartridge bearing assembly for a track chain of a track type work machine is provided. The cartridge bearing assembly includes axial/radial load bearing insert members positioned about a pin, and a rotatable bushing positioned therebetween. Crowned sleeve bearings...	03/25/2008
7281627	Forged chain link assembly The forged chain link assembly comprises a forged chain link having a male end and a female end which cooperates with an opposite end of an adjacent link to form a chain, each end having a bore therein which cooperates with a bore in the opposite end of an adjacent ...	10/16/2007
7240973	Crawler, crawler pin, crawler bush, and crawler manufacturing method A crawler having a crawler pin and a crawler bush having lubrication between the crawler pin and the crawler bush without lowering the strength of the crawler at the running time, thereby to prevent the creak or seizure, as might otherwise be caused at the running t...	07/10/2007
7219968	Crawler system and crawler link structure There is provided a crawler system and a crawler link structure which can be easily assembled and is superior in durability and provided at low cost. The crawler system comprises a crawler 2 in which pairs of opposed right and left links 1a and ...	05/22/2007
6926460	Fixing structure for fixing a pin to a link in a caterpillar An link of a caterpillar which is allowed to maintain stabilized durability for a long period. The fixing structure has a link, and a pin inserted into a pin inserting bore formed in the link. A peripherally extending concave groove formed on the end portion of the ...	08/09/2005
6612663	Fixing structure between links and pins in crawler A pressure receiving surface (8) having a diameter gradually decreasing in an axially inward direction is formed at an outer end portion of a pin (1), whereas a pressing portion (7) is formed at a circumferential edge of an opening of a pin insertion hole...	09/02/2003
6565161	Heavy duty track link A track link assembly having a first pair of track links, and a second pair of track links is disclosed. The track link assembly further includes a bushing having ends pressed into an inner boss of the second pair of track links. The track link assembly y...	05/20/2003
6390572	Crawler belt The present invention concerns a crawler belt (7) incorporating a sealing devices (21), which are each constituted by a coned disc spring (23) and a seal ring (22), to seal up gap spaces between track links (8) and bushes (13). A seal anchor hole (12) is ...	05/21/2002
6386651	Insert arrangement for a track chain assembly An insert arrangement includes a ring member having (i) a first sidewall, (ii) a second sidewall, (iii) a bore defined therethrough, (iv) a first seal groove defined in the first sidewall, and (v) a second seal groove defined in the second sidewall. The i...	05/14/2002
6371577	Track chain assembly for a work machine A track chain assembly includes a bushing having a passageway defined therethrough. The track chain assembly also includes a track pin having a longitudinal axis. The track pin is disposed within the passageway of the bushing. The track chain assembly fur...	04/16/2002
6074022	Track bushing having arc welded end treatment for improved abrasion and corrosion resistance, and a process for making the same A track bushing for an endless track of a track-type machine includes a cylindrical tubular shape having a first end and a second end and a longitudinal axis. The track bushing further includes a first end bearing surface that is adjacent to the first end...	06/13/2000
6045200	Track bushing having improved abrasion and galling resistance A track assembly for a track-type machine includes a track bushing that defines first and second end portions and first and second sealing end faces that are defined by the respective end portions. The track bushing also defines a bore that extends theret...	04/04/2000
5936878	Polymeric photo-chromic composition The present invention relates to the field of photo-chromic materials, in particular, to photo-chromic compounds and matrices suitable for use in optical memory systems, including three dimensional optical memory systems for computers, multimedia applicat...	08/10/1999
4568090	Oil seal for lubricated tracks on a crawler tractor A track link assembly in which an outer link end has an annular recess opening towards an inner link end and which further has a track bushing on the connecting pin or link extending through the inner link and fixed thereto. The bushing has an end facing ...	02/04/1986
4428589	Dual operating mode seal assembly A dual operating mode seal assembly (10) wherein a frictional force maintains a seal ring (50) in a static sealing mode during either movements of a member (16) being sealed to eliminate frictional and abrasive wear to the seal ring (50) and member (16). ...	01/31/1984
4428739	Roller chain A roller chain comprising outer link plates, inner link plates, pins, bushes, and rollers, the bushes each including an elastic member so that a total axial length of the bush including the elastic member controls an interval between opposite inner link p...	01/31/1984
4324437	Endless track In an endless track for crawler type vehicles, a plurality of identical, reversable track links are articulately interconnected in transversely spaced pairs into an endless chain by sealed pivot assemblies including readily replaceable hardened wear inser...	04/13/1982
4256315	Mechanical end face seal with dirt excluder lip A seal and sealed mechanism adapted to prevent dirt from entering portions of the seal cavity. The seal includes at least one annular primary seal ring of generally L-shaped cross-section and having a sealing surface formed on one side of the radial flang...	03/17/1981
4244588	Shear seal assembly PCT NO. PCT/US79/00943 Sec. 371 Date Nov. 5, 1979 Sec. 102(e) Date Nov. 5, 1979, PCT Filed Nov. 5, 1979. A shear seal assembly (80) for sealing between two members (22,36) having limited relative motion therebetween has an inner sleeve (86), an outer slee...	01/13/1981
4199199	Cartridge-type pivotal pin and bushing joint This improved cartridge-type pivotal pin and bushing joint comprises a cylindrical pin having a large, hollow metal cylinder concentrically disposed thereon intermediate the extremities thereof and a plurality of preloaded, spaced, dry, self-lubricated cy...	04/22/1980
4189159	Unitized face type seal A primary face type seal is maintained in face to face engagement by secondary elastomer seals. A multi-part retainer encircles the primary and secondary seals to provide a unitizing housing for permanently locating the enclosed seals in appropriate align...	02/19/1980
4183542	Rotating face sealing gasket, particularly for use on tracked vehicles A rotating face sealing gasket, particularly for use on tracked vehicles, constituted by a pair of facing metal rings in mutual sliding contact, and a pair of rings of resilient material mounted on the outside of each metal ring and forming a seal one aga...	01/15/1980
4176887	Endless track traveling mechanism A caterpillar-type travelling mechanism for vehicles provided with a self-propelled drive, particularly hydraulic dredges, with a drive sprocket wheel, a guide wheel for the guidance of the caterpillar chain and chain links connected with one another by b...	12/04/1979
4150856	One-piece track pin An endless track assembly for a track-type vehicle comprises an articulated chain for pivotally connecting each pair of adjacent track shoes together. Each articulated joint of the chain comprises a one-piece pin having a pair of laterally spaced pin port...	04/24/1979

PatentStorm

Bizarre Patents

PatentStorm News

Class 305/106 - With seal between connector pin and track link