Level adjusting device for adjusting the level of an object...

Details Level adjusting device for adjusting the level of an object... Level adjusting device for adjusting the level of an object...

2006-02-28

2006-02-28

Olszewski, Robert P. (Department: 3632)

Supports

Stand

Understructure

C248S188400

Reexamination Certificate

active

07004434

ABSTRACT:
A level adjusting device includes a base, first and second posts standing upright from the base, a first push lever movable in a vertical direction, a second push lever movable in the vertical direction, a pivot post standing upright from the base and spaced apart from the first and second posts, first and second pivot pins extending in a transverse direction relative to the vertical direction, a pivot block pivoted to the pivot post through the first pivot pin, a carrier plate connected to the first and second push levers and pivoted to the pivot block through the second pivot pin, and a biasing unit disposed between and connected to the carrier plate and the base.

REFERENCES:
patent: 3880096 (1975-04-01), Kaplan
patent: 4919382 (1990-04-01), Forman
patent: 6729590 (2004-05-01), Gabriel
patent: 6796538 (2004-09-01), Hsu et al.

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