Extendable dipperstick for excavators and backhoes

Details Extendable dipperstick for excavators and backhoes Extendable dipperstick for excavators and backhoes

1986-05-19

1987-10-13

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

212269, 414728, B66C 2304

Patent

active

046995625

ABSTRACT:
An extendible dipperstick for excavators and backhoes. The dipperstick includes a telescoping member mounted to a main housing. The telescoping member includes a telescoping housing and a plate attached to one surface, forming flanges with respect thereto. The telescoping member is slidably attached to the housing by means of clamping bars and roller bearings attached to the main housing, which contact the flanges and the exterior surface of the plate, respectively.

REFERENCES:
patent: 3178046 (1965-04-01), Lull
patent: 3245559 (1966-04-01), Russell
patent: 3516553 (1970-06-01), Reske
patent: 3748807 (1973-07-01), Sterner
patent: 3837502 (1974-09-01), Hornagold
patent: 4045923 (1977-09-01), Shanmugasundaram
patent: 4255076 (1981-03-01), Svenning
patent: 4442922 (1984-04-01), Johannson
patent: 4544321 (1985-10-01), Lanier

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