Adjusting slide mechanism for telescoping boom

Details Adjusting slide mechanism for telescoping boom Adjusting slide mechanism for telescoping boom

1979-05-25

1981-04-28

Scherbel, David A.

Material or article handling

Vertically swinging load support

Shovel or fork type

212269, 308 3R, B66F 908, F16C 2302

Patent

active

042642655

ABSTRACT:
A telescoping boom has a contact assembly carried on one boom section and has a contact member engaging an adjacent boom section. The contact member is biased toward the adjacent boom section by a spring between the contact member and a piston which is reciprocated in a chamber and defines a sealed compartment. Hydraulic fluid is introduced into the compartment to compensate for wear on the contact member.

REFERENCES:
patent: 3015523 (1962-01-01), Semar
patent: 3285431 (1966-11-01), Butcher
patent: 3499691 (1970-03-01), Baier
patent: 3782793 (1974-01-01), Sinner
patent: 3994367 (1976-11-01), Christ
patent: 4045936 (1977-09-01), Sterner

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