Bucket door snubber
US4006832A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1975 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Jun 18, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/4075
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for dampening the closing of a heavy door of the type mounted along a hinge axis on a heavy movable member such as a digging bucket for a shovel, said dampening apparatus comprises a crank pivotally mounted intermediate its ends on said movable member adjacent said hinge axis, linkage means pivotally mounted adjacent one end thereof on said door and pivotally connected adjacent an opposite end to one end of the crank, a cushioning device having a lower pivotal connection pivotally connected to the crank at the end thereof opposite from the first-mentioned end and an upper pivotal connection pivotally connecting the cushioning device to the movable member, and the cushioning device comprises a telescopic rubber snubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.