Quick coupler for an earth moving machine
US9322145B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2012 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Sep 19, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/593
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Quick coupler (1) for attaching a tool (2), comprising an attachment bracket with two parallel attachment pins (3a, 3b), to an earth moving vehicle. The quick coupler (1) comprises a frame (4) with a first cutout (5) and a second cutout (6) arranged substantially perpendicular to each other, where the respective cutout is adapted to cooperate with the respective attachment pin (3a, 3b) of the tool (2). The quick coupler (1) further comprises at least one, in relation to the frame (4) moveable locking arrangement (9), adapted to delimit the second cutout (6) in a direction parallel to the first cutout (5), at least one, in the frame (4) arranged, actuator (8) adapted to move the locking arrangement (9) between a first open and a second locked position, and a lock indication device (10) which visually indicates if the locking part (9) is in the first or second position. The at least one actuator (8) is attached between the locking arrangement (9) and the lock indication device (10) and is arranged to move both the locking arrangement (9) and the lock indication device (10) in relation to the frame (4) so that the lock indication device (10) visually indicates when the locking arrange…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.