Portable lifting, loading and transporting device

Details Portable lifting, loading and transporting device Portable lifting, loading and transporting device

1984-12-10

1986-06-10

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Screw

254100, 254103, 414911, B60P 110

Patent

active

045938830

ABSTRACT:
A transporting device for lifting a relatively heavy roll of material to a selected level so that it can be moved and loaded onto production apparatus. The device comprises a platform base on casters that supports a fixed vertical, tubular column, within which is mounted an elongated, rotatable screw threadedly engaged to a ballscrew nut that moves up and down with the column when the screw is turned. Connected to the screw nut by a support assembly is a spindle that extends outwardly at a right angle from the column. The screw is driven by an electric motor mounted on the platform base, powered by the battery and connected through a gear reduction unit to the screw. A handle is attached to the platform base for moving the entire device and controllable switches are provided for moving the spindle up and down within preselected limits.

REFERENCES:
patent: 2997292 (1961-08-01), Lucker et al.
patent: 3376019 (1968-04-01), Weiss
patent: 4189128 (1980-02-01), Thompson
patent: 4279567 (1981-07-01), Thompson
patent: 4462569 (1984-07-01), Arzouman

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