Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1974-09-19
1976-04-20
Makay, Albert J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 11, B62B 106
Patent
active
039512860
ABSTRACT:
This invention relates to equipment utilized to cary loads, and more particularly it is a utility device covering especially improvements in hand truck fork lifts. Inventor realizes that there are already on the market a number of load lifting trucks. However, in his opinion, the marketable types of trucks are too large, too clumsy, cumbersome and complecate in their overall design for the purpose intended. What the applicant has in mind is rather a hand truck fork lift which will be easy to manufacture and to operate permitting the lifting of substantial loads without undue effort on the operator and the development of a torque on the lifting mechanism. One disadvantage of trucks of similar nature already available is the fact that when the load is lifted on a platform, and when the load suddenly shifts, the truck lifting mechanism is unable to balance the load on the platform and the load may drop off the truck and become damaged. Accordingly, one of the main objects on the present invention is to provide a lifting platform which will maintain its own balance at all loads, even though the load has a tendency to shift during the lifting operation.
REFERENCES:
patent: 1306431 (1919-06-01), Klemme
patent: 1799307 (1931-04-01), Manley
patent: 2881865 (1959-04-01), Lewis
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