Bulldozer assembly with locking pin and method
US4068721A · kind A · utility
4Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1976 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Dec 20, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/80
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bulldozer assembly comprises a C-frame pivotally connected on a forward end of a tractor and a blade universally connected on a forward end of the frame by a ball and socket connection. A pair of laterally spaced push arms have forward ends thereof universally connected to the blade and rearward ends thereof adjustably mounted on the frame for selectively angling the blade relative to the frame. Prior to such angling, a vertically disposed pin is inserted in the ball and socket connected to prevent tipping of the blade relative to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.