Material or article handling – Elevator or hoist and loading or unloading means therefor – Tilting carrier
Patent
1978-09-11
1981-06-16
Kunin, Stephen G.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Tilting carrier
187 9E, 187 95, B66B 920
Patent
active
042735009
ABSTRACT:
A forklift assembly is pivotally connected to the front end portion of a self-propelled mobile frame. A mounting plate extends transversely across the front end portion of the mobile frame. A hydraulic lift cylinder is bolted to the intermediate portion of the mounting plate closely adjacent to the front axles of the mobile frame, and the piston rod of the lift cylinder is pinned to a lug extending rearwardly from the forklift assembly. Extension and retraction of the piston rod raises and lowers the forklift assembly relative to the mobile frame. The lug is connected to the piston rod to permit movement of the lug on a shoulder portion of the piston rod so that the torsional forces exerted on the forklift assembly are not transferred to the piston rod of the lift cylinder. Guide members are secured to the rear of the forklift assembly and the mounting plate to maintain vertical movement of the lift cylinder relative to the mounting plate. The forklift assembly is tilted forwardly or backwardly by tilt cylinders extending from the mobile frame. By positioning the lift cylinder closely adjacent to the front axles, the load carried by the forklift assembly is positioned as close as possible to the front axles to improve the stability of the machine particularly during tramming.
REFERENCES:
patent: 1002514 (1911-09-01), Hatfield
patent: 1839127 (1931-12-01), Stevelman
patent: 2541268 (1951-02-01), Milz
patent: 2620718 (1952-12-01), Oerman
patent: 2747689 (1956-05-01), Abbe
patent: 3115261 (1963-12-01), Antonelli
patent: 3312361 (1967-04-01), Foster
patent: 3458069 (1969-07-01), Wickberg et al.
patent: 3706388 (1972-12-01), Westendorf
Adams John M.
Kunin Stephen G.
Price, Jr,. Stanley J.
Rishell, Jr. Edmond G.
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