Latching mechanism for a quick coupler

Details Latching mechanism for a quick coupler Latching mechanism for a quick coupler

1997-12-10

1999-04-06

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

37468, E02F 336

Patent

active

058908714

ABSTRACT:
A quick coupler for detachably coupling a bucket or other work tool to the stick of an excavator or backhoe is disclosed. The quick coupler has a latching mechanism with is powered by a single acting cylinder to unlatch the coupler and which is powered by both a spring device and a gas charged accumulator to latch the coupler to the bucket.

REFERENCES:
patent: 3556323 (1971-01-01), Heimmermann
patent: 4116346 (1978-09-01), Uchida
patent: 4116347 (1978-09-01), Uchida
patent: 4243356 (1981-01-01), Takojima
patent: 5147173 (1992-09-01), Fauber et al.
patent: 5494396 (1996-02-01), Geier et al.
patent: 5634736 (1997-06-01), Brown et al.
"Quick Couplers for Cat Hydraulic Excavators"--Balderson Attachments from Caterpillar--Caterpillar Form CE2000 (Aug., 1996).

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