Floor engaging device for workbench

Details Floor engaging device for workbench Floor engaging device for workbench

2011-03-22

2011-03-22

Self, Shelley (Department: 3725)

Woodworking

Workbench

Of special shape or structure

C144S287000, C414S495000, C108S054100, C108S147000, C312S249800

Reexamination Certificate

active

07909074

ABSTRACT:
A workbench includes a wheel device secured to a work table, four floor engaging extremities attached to the work table, four rotary members rotatably attached to the work table and engaged with the floor engaging extremities respectively for adjusting the work table up and down relative to the floor engaging extremities, and a coupling device for coupling the rotary members together and for allowing the rotary members to be rotated relative to the floor engaging extremities simultaneously and thus for allowing the work table to be adjusted up and down relative to the floor engaging extremities simultaneously. A hand wheel may be coupled to the coupling device for operating the coupling device.

REFERENCES:
patent: 2599107 (1952-06-01), Hebestreit
patent: 4068550 (1978-01-01), Gray et al.
patent: 4159821 (1979-07-01), Hickman
patent: 4161974 (1979-07-01), Patterson
patent: 5988239 (1999-11-01), Chen
patent: 6802441 (2004-10-01), DuRant et al.
patent: 2006/0201301 (2006-09-01), Schwaiger et al.

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