Adjustable support foot

Details Adjustable support foot Adjustable support foot

2005-06-07

2005-06-07

Braun, Leslie A. (Department: 3632)

Supports

Stand

Understructure

C248S188200, C248S188500, C248S188800

Reexamination Certificate

active

06902140

ABSTRACT:
An adjustable support foot comprises a support post, a plurality of retaining plates, a control device and an outer shell. The support post has a base and a screwed axle erected thereon. The retaining plates each provided with a screw thread cover around the screwed axle and are further enclosed by the control device including a retaining cylinder and a control ring. The control device urges the retaining plates to engage the screwed axle or depart from the screwed axle, by which the relative position of the support post in the outer shell can be quickly or mildly changed.

REFERENCES:
patent: 4792017 (1988-12-01), Grove
patent: 5000416 (1991-03-01), Fantasia
patent: 5148892 (1992-09-01), Lu
patent: 5660362 (1997-08-01), Selby et al.
patent: 5853065 (1998-12-01), Hutson et al.
patent: 6442906 (2002-09-01), Hwang
patent: 6536725 (2003-03-01), Fisher
patent: 6711985 (2004-03-01), Doyle
patent: 6796001 (2004-09-01), Finkelstein
patent: 6799660 (2004-10-01), Crawford

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