Dock leveler lip actuation mechanism
US5088143A · kind A · utility
46Cited by
10References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Dec 4, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/2841
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dock leveler having an operative lever arm assembly to assist in raising the lip by spring action. The assembly comprises a latch arm which selectively engages a series of spaced stop positions on the underside of the deck to support the lip in an outward postion should it not fully extend during the raising of the deck. A hydraulic shock absorber is adapted to be coupled to the lever assembly at a variety of spaced mounting points on the lever assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.