Excavator dipper latch assembly having removable tapered latch bar
US5815958A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1996 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Dec 30, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/4075
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A latch assembly for an excavator dipper of the invention includes a latch bar slot having a first opening, a second opening and a side wall. An annular projection protrudes from the latch bar slot side wall and has an upper surface and a side surface. A latch bar is slidably and removably mounted in the latch bar slot. The latch bar has a first portion, a second portion and a tapered portion located between the first and the second portion. The first portion has a larger cross-sectional area than the second portion. An upper retainer insert assembly is removably carried in the latch bar slot between the first opening and the annular projection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.