Fluid handling – Inflatable article – With cap
Patent
1998-09-10
2000-08-15
Rivell, John
Fluid handling
Inflatable article
With cap
138 893, F16B 3714, F16L 55115
Patent
active
061020648
ABSTRACT:
A theft resistant valve cap including a liner adapted for threaded engagement with a standard pneumatic tire stem valve, a sleeve rotatably mounted with the liner to shroud it and an interlocking feature to selectively prevent axial displacement between the liner and the sleeve. The interlocking feature includes a screw threaded into an aperture in the sleeve, or other coupling device, and an annular channel on the liner, positioned to receive the screw. The annular channel has an upper surface, a lower surface and an inner surface disposed between the upper and lower surfaces. The screw is moved so that it extends into the channel resting proximate to the upper surface, but clear of both said lower and inner surfaces. The screw can be removed after the valve cap has been installed. In this fashion, the liner and the sleeve are in a fixed axial position with respect to each other; however, the rotatability of the sleeve with respect to the liner is maintained, preventing removal of the liner from the stem. The rotational movement of the sleeve prevents removing the liner and/or the sleeve from the valve stem.
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Brooks Kenneth C.
Rivell John
Schoenfeld Meredith H
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