Platform lift

Details Platform lift Platform lift

1977-08-29

1978-09-05

Makay, Albert J.

B60P 148

Patent

active

041113179

ABSTRACT:
A platform lift mountable to structures such as trucks or loading docks, which lift includes a platform that can be raised and lowered while horizontal and can be tipped to an upright raised position. The platform is carried by a compound hinge that includes parallelogram means which in one parallelogram configuration raises and lowers the platform in a horizontal alignment, and which when it encounters selective restraint means, assumes a different parallelogram configuration in which the platform is raised to an erect alignment.

REFERENCES:
patent: 3084815 (1963-04-01), Johnson
patent: 3602381 (1971-08-01), Size et al.
patent: 3771672 (1973-11-01), Randall
patent: 3842997 (1974-10-01), Sprikkelman

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