Low profile, high rising lifting mechanism

Details Low profile, high rising lifting mechanism Low profile, high rising lifting mechanism

1985-05-28

1986-11-25

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Lazy tongs

B66F 324

Patent

active

046244484

ABSTRACT:
A lifting mechanism having a support plate positioned over a base plate and having first and second pairs of spaced apart hinged arms pivotally connected to opposite corresponding ends of the support and base plates. Connecting means are attached between each pair of hinged arms and an extensible and retractable power means is operatively connected between the connecting means. Operation of the power means causes the connecting means to be moved towards or away from each other which in turn causes the hinged arms to straighten upwardly or fold downwardly to raise or lower the support plate with respect to the base plate. Additional embodiments of the invention include reinforcement bars and stabilizer means having stabilizer tracks and stabilizer bars.

REFERENCES:
patent: 1982642 (1934-12-01), Curok
patent: 2427808 (1947-09-01), Pluta et al.
patent: 2503347 (1950-04-01), Miller
patent: 2508934 (1950-05-01), Berg
patent: 2567681 (1951-09-01), Schwartz et al.
patent: 2747692 (1956-05-01), Holmes
patent: 3226086 (1965-12-01), Lavieri et al.
patent: 3635440 (1972-01-01), Van Gompel
patent: 3997143 (1976-12-01), Rose

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