Material or article handling – Elevator or hoist and loading or unloading means therefor – Convertible attachment
Patent
1995-06-26
1997-01-07
Keenan, James W.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Convertible attachment
414629, 414639, 414642, B66F 906
Patent
active
055909981
ABSTRACT:
A lifting device for attachment to a vehicle such as a four wheel motorcycle, the lifting device including upper and lower mounting members and for mounting the device to the framework of the vehicle, a mast which is pivotally connected to the mounting members for tilting movement about a generally horizontal axis by members of a tilting ram which acts between the mounting members and the mast, the lifting device further including a pair of forks and a forklift ram which is operable to raise and lower the forks.
REFERENCES:
patent: 2653678 (1953-09-01), Lehrman
patent: 3045847 (1962-07-01), Fisher
patent: 3175721 (1965-03-01), Smith
patent: 3266599 (1966-08-01), Dearden
patent: 3497095 (1970-02-01), Couberly
patent: 4177001 (1979-12-01), Blackwood
patent: 4325666 (1982-04-01), Chain et al.
patent: 4365921 (1982-12-01), Brouwer et al.
patent: 4640662 (1987-02-01), Spellman, Jr.
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