Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1988-10-31
1989-12-19
Spar, Robert J.
Material or article handling
Vertically swinging load support
Shovel or fork type
414723, 414727, B66C 2300
Patent
active
048879398
ABSTRACT:
An extension arm assembly for mounting on the forward ends of the boom arms of a tractor loader is described which enables the effective length of the boom arms to be extended thereby enabling the tractor loader to raise materials to a height greater than that otherwise possible. The extension arm assembly may be quickly and easily mounted on the forward ends of the boom arms without modification thereof.
REFERENCES:
patent: 3251491 (1966-05-01), French et al.
patent: 4571146 (1986-02-01), Eriksson
patent: 4798511 (1989-01-01), Kaczmarczyk et al.
patent: 4808061 (1989-02-01), Cook et al.
Langenfeld Joseph W.
Westendorf Neal W.
Eller James T.
Spar Robert J.
Westendorf Mfg. Co., Inc.
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