Title:
ATTACHMENT COUPLER
Document Type and Number:
WIPO Patent Application WO/2020/044570
Kind Code:
A1
Abstract:
Provided is an inexpensive attachment coupler which is simply structured, is easily assembled, and has little risk of breakdown. Provided is an attachment coupler to which an attachment can be fitted by means of an operation on a shovel side. A pair of coupler members 3, which each have, on one end side thereof, an interlock connection part 9 with respect to an arm 201 of the shovel, and have, on the other end side thereof, a locking part 11 with respect to a connection pin 101 of an attachment 100, are integrally formed by being rotatably supported by each other at the midway portion. The coupler members 3 are mutually rotated and displaced by movement on the side of the respective arms 201, and thereby the respective connection pins 101 are locked to the locking parts 11 of the coupler members 3.
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Inventors:
UEDA TOSHIHARU (JP)
YOSHIKAWA TADAO (JP)
YOSHIKAWA TADAO (JP)
Application Number:
PCT/JP2018/032516
Publication Date:
March 05, 2020
Filing Date:
August 28, 2018
Export Citation:
Assignee:
UEDA IND (JP)
International Classes:
E02F3/40
Foreign References:
| JPS61137927A | 1986-06-25 | |||
| JPS5859809U | 1983-04-22 |
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