Contractible table leg structure

Details Contractible table leg structure Contractible table leg structure

2005-08-02

2005-08-02

Wood, Kimberly (Department: 3632)

Supports

Stand

Understructure

C248S188300, C248S188100, C248S161000, C248S413000, C248S157000, C108S147190, C108S147200

Reexamination Certificate

active

06923410

ABSTRACT:
The present invention discloses a contractible table leg structure, comprising: an external sleeve; a folding rod, being a rod member with a cross section substantially in successive V-shaped turning surfaces, and having an included angle in the middle, a plurality of folding surfaces to define a plurality of interface corners, and the folding rod passing through the interior of the external sleeve; a bolt member, being secured on the external sleeve, and its inner end corresponding to the included angle of the folding rod; and when bold the bolt member being tightly secured, so that the folding rod produces a deformation stress to press the interface corner against the inner wall of the external sleeve and fix the position of the folding rod.

REFERENCES:
patent: 633833 (1899-09-01), Goshorn
patent: 1687128 (1928-10-01), Cadwalader
patent: 2792268 (1957-05-01), Stanley
patent: 2963253 (1960-12-01), Maier et al.
patent: 3006706 (1961-10-01), Park et al.
patent: 3058715 (1962-10-01), Porkka
patent: 3191902 (1965-06-01), Goller
patent: 3479973 (1969-11-01), Bartlett et al.
patent: 4080080 (1978-03-01), Cisler
patent: 5020752 (1991-06-01), Rizzi et al.
patent: 5352057 (1994-10-01), Zody

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