Telescopic adjustable height apparatus

Details Telescopic adjustable height apparatus Telescopic adjustable height apparatus

1994-06-10

1996-05-07

Ramirez, Ramon O.

Supports

Stand

Understructure

108144, 108147, 248161, 403109, 403377, F16M 1126

Patent

active

055138250

ABSTRACT:
A telescopic adjustable height apparatus designed to adjust the height of tabletops comprises a pair of slidably engaged columns, a multiple-step groove, and a hand wheel locking mechanism to secure the tabletop at the desired height. The column system includes an inner column, connected at one end to a tabletop and an outer column, connected at one end to a base structure. The inner column defines the vertical multiple-step groove. The outer column possesses a bore in one wall of the column through which the hand wheel fastener passes, and this bore maintains the position of the hand wheel locking mechanism. A first detent is located at the base of a first step and provides a first seat for the hand wheel locking mechanism. A second detent is located at the base of a second step and provides a second seat for the hand wheel locking mechanism. The hand wheel locking mechanism comprises a pin with a connection end shaped to be removably received within a detent, a bearing collar, and a hand wheel.

REFERENCES:
patent: 2531778 (1950-11-01), Merner
patent: 4156391 (1979-05-01), Ubezio
patent: 5060903 (1991-10-01), Schworer
patent: 5243921 (1993-09-01), Kruse et al.

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