Material or article handling – Elevator or hoist and loading or unloading means therefor – Elevator wherein means comprises guide mounted for relative...
Patent
1986-09-25
1990-06-05
Bucci, David A.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Elevator wherein means comprises guide mounted for relative...
414723, B66C 122
Patent
active
049309749
ABSTRACT:
An extender is positioned on the forward ends of the boom arms of a tractor loader. The extender includes a frame which is pivotally mounted on the forward ends of the boom arms and a slide which is vertically movably mounted on the extender frame. A cable is connected at one end thereof to the slide and extends therefrom over a pulley arrangement which causes the slide to be vertically moved relative to the extender frame as the boom arms are vertically moved relative to the tractor.
REFERENCES:
patent: 3054520 (1962-09-01), Maloney
patent: 3826392 (1974-07-01), Farley
patent: 3845871 (1974-11-01), Dilillo et al.
patent: 4040534 (1977-08-01), Kenworthy
patent: 4084715 (1978-04-01), Stedman
patent: 4085856 (1978-04-01), Westendorf
patent: 4120405 (1978-10-01), Jones et al.
patent: 4257725 (1981-03-01), Zieschang
patent: 4394107 (1983-07-01), Siebert
patent: 4488850 (1984-12-01), Wernimont
patent: 4586867 (1986-05-01), Stafford
Langenfeld Joseph W.
Westendorf Neal W.
Bucci David A.
Hienz William M.
Westendorf Mfg. Co., Inc.
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