Child-resistant handle

Details Child-resistant handle Child-resistant handle

1997-05-13

1998-04-21

Walton, George L.

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

16121, 74 25, 74548, 74553, 74554, 192 697, 192 71, 251 96, 251104, 251110, 251229, 403 1, F16K 3502

Patent

active

057410038

ABSTRACT:
A child-resistant handle to be mounted to a valve stem to which is affixed a cogwheel adapter by a shoulder screw. The shoulder screw rotatably mounts the freely rotatable handle to the valve stem. The handle has an inverted cup shape that extends over and covers the cogwheel adapter. A clutch member connected to the handle with a resilient member engaging the clutch to normally keep the clutch member out of engagement with the cogwheel adapter. The clutch member linearly shiftable to engage the cogwheel adapter whereby rotation of the handle will cause a like rotation of the valve stem.

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patent: 5037066 (1991-08-01), Kerger et al.
patent: 5490660 (1996-02-01), Kamezawa
patent: 5513831 (1996-05-01), Seward
patent: 5551124 (1996-09-01), Zeringue

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