Telescopic adjustable positioning device
OwnerChao-Ken CHENinventor
Life of this patent
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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.
Claims13
A telescopic adjustable positioning device comprising:
- 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;
- and
- wherein the pin is received in the slot and the through hole;
- an outer surface of the pin has a flange;
- a first spring enclosing the pin and between the flange and a bottom side of the slot;
- a diameter of the first spring being greater than that of the through hole, the operation unit has a track for driving the pin to move toward the through hole and the positioning hole of the telescopic tube.
Dependencies are inferred from the claim text.