Collapsible lift trolley

Details Collapsible lift trolley Collapsible lift trolley

1990-09-11

1992-01-21

Peters, Jr., Joseph F.

Traversing hoists

Having vertically swinging boom

Having means to swing boom vertically

212182, 212181, 212261, 414917, B66C 2326, B66C 2344, B66C 2300

Patent

active

050821270

ABSTRACT:
The invention relates to a collapsible lift trolley capable of occupying a compact collapsed position and a deployed in-use position. In accordance with the invention, the collapsible lift trolley comprises a base unit having a turnable wheel, two longitudinal stringers with an end hinged to the base unit to form a support frame when in the deployed position, a support rod upraised from the base unit, a lift arm having an end bent to be hinged on top of the support rod and the other end engaging a hook and a jack interconnecting the support rod and the lift arm for swinging the lift arm relative to the support rod.

REFERENCES:
patent: 935170 (1909-09-01), Smith
patent: 2675209 (1954-04-01), Freed
patent: 4508233 (1985-04-01), Helms

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