Supports – Stand and bracket – Having vertically adjustable stand
Reexamination Certificate
2011-07-19
2011-07-19
Wood, Kimberly T (Department: 3632)
Supports
Stand and bracket
Having vertically adjustable stand
C248S161000, C248S408000, C403S109100, C297S338000, C135S140000
Reexamination Certificate
active
07980519
ABSTRACT:
A telescopic adjustable positioning device comprises an outer sleeve; a telescopic tube receiving into the outer sleeve at one end thereof and having a plurality of positioning holes; a retaining seat being a hollow tube and enclosing a connection of the outer sleeve and the telescopic tube; one side of the retaining seat being formed with a receiving portion; a slot being formed in the receiving portion; and a bottom side of the slot having a through hole which is smaller than the slot; a pin capable of passing through the retaining seat and the outer sleeve to be retained to the positioning hole of the telescopic tube; and an operation unit assembled to the receiving portion of the retaining seat. The pin is received in the slot and the through hole; and two springs are attached to the pin.
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