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US 2004/0165966 A1Published application
Telescopic captive fastener
AssigneeSouthco, Inc.
InventorsThomas V. Aukzemas, Edward A. McCormack
Life of this patent
Estimating the term…
Abstract
A telescopic captive fastener has a knob, a ferrule, a spring, and at least one sleeve. The sleeve extends telescopically between the ferrule and the knob.
Claims23
A telescopic captive fastener including:
- a knob for operating the captive fastener,
- a ferrule coaxial with the knob for attaching the captive fastener to a first structure,
- an upper unit for engaging a corresponding mating element in a second structure, the first element being axially displaceable with respect to the ferrule from a first position to a second position;
- a spring biasing the first element towards the first position,
- and at least one sleeve, extending telescopically between the ferrule and the knob.
2 more elements
A telescopic captive screw including:
- a knob for operating the captive screw,
- a ferrule coaxial with the knob for attaching the captive screw to a first structure,
- a screw rotatable with the knob and having a threaded portion for engaging a preformed threaded aperture in a second structure, the screw being axially displaceable with respect to the ferrule from a first position to a second position;
- a spring biasing the screw towards the first position,
- and at least one sleeve, extending telescopically between the ferrule and the knob.
2 more elements
A telescopic captive nut including:
- a knob for operating the captive nut,
- a ferrule coaxial with the knob for attaching the captive nut to a first structure,
- the knob being adapted for engaging a corresponding mating element in a second structure, the first knob being axially displaceable with respect to the ferrule from a first position to a second position;
- a spring biasing the first element towards the first position,
- and at least one sleeve, extending telescopically between the ferrule and the knob.
2 more elements
Dependencies are inferred from the claim text.