Backhoe bucket quick coupling

Details Backhoe bucket quick coupling Backhoe bucket quick coupling

1979-02-15

1980-09-30

Kunin, Stephen G.

Material or article handling

Vertically swinging load support

Shovel or fork type

74520, 172272, E02F 370

Patent

active

042252830

ABSTRACT:
An attaching and release mechanism is provided for coupling a material handling bucket to the free end of a scoop arm extending from a loader or backhoe. A universal bucket mounting linkage is pivotally mounted to the loader scoop arm and readily receives various types and sizes of buckets. The bucket mounting linkage has a four-bar configuration with hook portions adapted for engagement with mating projections on the bucket. Over-center linkage, pivotally attached to one end of the bucket mounting linkage, provides locking engagement or disengagement between the hook portions and the mating projections on the bucket. To latch the bucket on the loader scoop arm, the hook portions and over-center linkage are aligned with the complementary mounting structure on the bucket, and the over-center linkage is pushed over-center which causes the bucket mounting linkage to lock against the mounting structure on the bucket to thereby couple the bucket and loader scoop arm.

REFERENCES:
patent: 2574281 (1951-11-01), Olson
patent: 3794195 (1974-02-01), Clevenger et al.
patent: 3818551 (1974-06-01), Coughran, Jr.
patent: 3935953 (1976-02-01), Stedman
patent: 4116347 (1978-09-01), Uchida

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