Adjustable leg for supporting a table

Details Adjustable leg for supporting a table Adjustable leg for supporting a table

A - Human Necessities

47

B

311/15, 311/35

A47B 88/00 (2006.01)

Patent

CA 1229647

-21- "ADJUSTABLE LEG FOR SUPPORTING A TABLE" ABSTRACT OF THE DISCLOSURE An adjustable leg for supporting a table top whereby the height can be raised or lowered comprises a metal tube defining the leg within which is mounted a screw threaded rod. A square opening in one side of the wall of the tube exposes the teeth of a gear member which can be rotated and carries a screw thread for cooperation with the rod to raise and lower the table top. Collars on either side of the gear member provide bearing sur- faces for axial movement of the rod and for rotational movement of the gear member. The gear member can have two separate axially spaced sets of teeth, one for cooperation with an electric motor drive gear and the other for cooperation with a manually operable ratchet device. The ratchet device and electric motor are alter- natives and each of which can be mounted in a housing for clamping around the tubular leg.

472484

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