Patent EP0072092A2 successfully refreshed from Google Patents.
EP0072092A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Track-laying vehicle undercarriage
Assignee: Caterpillar Inc
•
Filing: 1982-06-22
•
Granted: —
•
Expires: 2002-06-22
Abstract
Abstract An undercarriage (12) for a track of a tracklaying vehicle (14) has links (18, 34) carrying rollers (29, 44) and pivotally connected to a frame (16). A portion (20) of the link (18) overlies a portion (38) of the link (34) so that each link is movable in response to the other to provide load sharing and the possibility of utilizing an odd number of rollers.
Inventors
- 👤 Richard E. Livesay
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 15:09
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/108; B62D55/1086
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
196 words
An undercarriage (12) for a track of a track- laying vehicle (14), the undercarriage comprising a support frame (16); a first link (18) having first and second portions (20,22) and a pivot portion (24) between the first and second portions (20,22), the first link (18) being pivotably connected to the support frame (16) at the pivot portion (24); a second link (34) having a first portion (38) and a pivot portion (40), the second link (34) being pivotably connected to the support frame (16) at the second link pivot portion (40),and the second link first portion (38) being adjacent to the first link first portion (20) whereby the first and second links are each movable in response to movement of the other; a first wheel (28) connected to the first link second portion (22); and a second wheel (44) connected to the second link first portion (38), the axis of the second wheel (44) being between the first link pivot portion (24) and the second link pivot portion (40). 2. An undercarriage (12) according to claim 1, wherein the first link first portion (20) is spaced a vertical distance from the second link first portion (38).
Claim 2
Dependent Claim
25 words
An undercarriage (12) according to claim 2, wherein the first link first portion (20) extends to a position above the second link first portion (38).
Claim 3
Dependent Claim
31 words
An undercarriage according to any one of the preceding claims, wherein a resilient device (45) is provided between the first link first portion (20) and the second link first portion (38).
Claim 4
Dependent Claim
41 words
An undercarriage (12) according to claim 4, wherein the resilient device includes a resilient element (46) connected to the first link first portion (20) at a position between the first link first portion (20) and the second link first portion (38).
Claim 5
Dependent Claim
44 words
An undercarriage (12) according to claim 4 or claim 5, wherein the resilient device includes a resilient element (48) connected to the second link first portion (38) at a position between the second link first portion (38) and the first link first portion (20).
Claim 6
Dependent Claim
20 words
An undercarriage (12) according to any one of the preceding claims, wherein the first and second wheels (28,44) are rollers.
Claim 7
Dependent Claim
73 words
An undercarriage (12) according to any one of the preceding claims, further including a minor bogey (30) having first and second opposed end portions (31,33) and being pivotally connected to the first link second portion (22); the first wheel (28) being a roller connected to the first end portion (31) of the minor bogie (30); and a further roller (29) being connected to the second end portion (33) of the minor bogie (30).
Claim 8
Dependent Claim
52 words
An undercarriage (12) according to any one of the preceding claims, wherein the second link (34) includes a second portion (36), the second link pivot portion (40) being positioned intermediate the second link first and second portions (38,36), and a further wheel (42) being connected to the second link second portion (36).
Claim 9
Dependent Claim
16 words
An undercarriage (12) according to claim 9, wherein the further wheel (42) is an idler. t
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.