Implements or apparatus for applying pushing or pulling force – Hoisting truck – Single throw lever
Patent
1976-10-22
1978-01-31
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Hoisting truck
Single throw lever
5 62, 254124, B66F 708
Patent
active
040712222
ABSTRACT:
A lifting platform which is supported from a base by a pair of X-linkages which are of the kind in which the foot of a first arm of the X is pivoted to the base, the foot of the second arm of the X slides on the base and the head of the second arm is pivoted to the platform. The invention is characterized by the head of the first arm being connected through a swinging link to the platform so the platform moves parallel to itself while being lifted.
REFERENCES:
patent: 3472183 (1969-10-01), Goodman
patent: 3988006 (1976-10-01), Jones
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