Mechanical adjustable column

Details Mechanical adjustable column Mechanical adjustable column

1985-04-25

1986-09-23

Ramirez, Ramon O.

Supports

Stand

Standard type

248417, 297347, 74 39, F16M 1100

Patent

active

046131060

ABSTRACT:
An adjustable support column for chairs, stools, tables or other furniture items in which a support tube telescopically receives a mounting cylinder. The mounting cylinder is seated on a diamond threaded support rod in the support tube by means of one or more drive nuts and a locking nut. A clutch selectively releases the locking nut to permit longitudinal adjustment of the mounting cylinder relative to the support tube. The diamond threaded support rod is connected to a power spring which stores energy as the support rod is rotated in one direction to cause a return of the support rod to its initial position when the locking nut is released.

REFERENCES:
patent: 2329697 (1943-09-01), Davies
patent: 3727871 (1973-04-01), Harper
patent: 3923280 (1975-12-01), Good
patent: 4139175 (1979-02-01), Bauer
patent: 4285488 (1981-08-01), Hancock
patent: 4315613 (1982-02-01), Godwin et al.
patent: 4394001 (1983-07-01), Wisniewski
patent: 4493469 (1985-01-01), Holobaugh

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