초록 ▼

A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacent the bearing members. Seal arrang

A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacent the bearing members. Seal arrangements are positioned between the collars and the bearing members and between the bearing members and the track bushing sealably excluding contaminants and the retention of a lubricating fluid from a passage in the bushing and a bore within the track pin.

대표청구항 ▼

A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacent the bearing members. Seal arrang

A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacent the bearing members. Seal arrangements are positioned between the collars and the bearing members and between the bearing members and the track bushing sealably excluding contaminants and the retention of a lubricating fluid from a passage in the bushing and a bore within the track pin. r formed of an elastic material and provided between the track frame and the pivot, wherein the pivot is supported by the track frame. 4. A rolling wheel support structure for a crawler traveling apparatus according to claim 3, wherein the track frame is provided with a cylindrical support member capable of being fitted around the second buffer member, the second buffer member having a cylindrical shape in which the pivot can be held non-rotatably relative to the second buffer member around an axis of the pivot.5. A rolling wheel support structure for a crawler traveling apparatus according to claim 4, wherein the second buffer member has an inner surface formed into a square or hexagonal tubular, and the pivot is formed into a square or hexagonal shape having a cross-section in conformity with that of the tubular inner surface of the second buffer member.6. A rolling wheel support structure for a crawler traveling apparatus according to claim 4, wherein at least one of the buffer member and the second buffer member comprises larger-diameter portions and smaller-diameter portions arranged alternately in the axial direction of the rotary shaft.7. A rolling wheel support structure for a crawler traveling apparatus according to claim 5, wherein at least one of the buffer member and the second buffer member comprises larger-diameter portions and smaller-diameter portions arranged alternately in the axial direction of the rotary shaft.8. A rolling wheel support structure for a crawler traveling apparatus according to any one of claims 1 to6, wherein at least one of the buffer member or the second buffer member is provided for a rolling wheel positioned at a front portion or a rear portion of the endless crawler of a crawler traveling apparatus.9. A rolling wheel support structure for a crawler traveling apparatus according to any one of claims 1 to6, wherein the buffer member is provided to a rolling wheel positioned in a longitudinally intermediate portion of the endless crawler off a crawler traveling apparatus.