Coupling apparatus for detachably attaching an excavating device to excavator
US6332747A · kind A · utility
33Cited by
17References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1999 |
| Grant date | Dec 25, 2001 |
| Priority date | — |
| Expiry date | Sep 15, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/3636
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A coupling device for automatically coupling an excavating device or a hammer device to an excavator includes an arm coupler fixed to one end of an arm of the excavator and a link coupler fixed to an operation link of the arm of the excavator. The excavating device includes a pair of brackets having a pair of the assembling holes. Piston rods, contained in the arm coupler and the link coupler and inserted into the assembling holes, connect the brackets of the excavating device to the excavator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.