Fluid handling – With casing – support – protector or static constructional... – Guards and shields
Patent
1986-07-21
1987-09-01
Holko, Thomas J.
Fluid handling
With casing, support, protector or static constructional...
Guards and shields
285 80, 411353, 411373, 411517, 411910, F16B 3300
Patent
active
046901671
ABSTRACT:
In the preferred and illustrated embodiment, a protective anti-theft device for installation on a fireplug is shown. In the preferred and illustrated embodiment, a nut suitable for installation on a fireplug is provided, the nut having an external groove to receive a snap ring therein. A sleeve is joined to the nut by means of a cooperative groove receiving the snap ring therein. This enables the sleeve to free wheel around the nut. The free wheeling sleeve prevents theft and pilferage of the nut once it is installed on a fireplug at the top end to support the stem in the fireplug.
REFERENCES:
patent: 1604690 (1926-10-01), Halaby
patent: 2118233 (1938-05-01), Ruggio
patent: 2179045 (1939-11-01), Lewis
patent: 3333439 (1967-08-01), Bessette
patent: 3995877 (1976-02-01), Franceschi
patent: 4000753 (1977-01-01), Ellis
patent: 4362035 (1982-12-01), Pitale
patent: 4427326 (1984-01-01), Hobson
Holko Thomas J.
Productive Instrument & Machine Inc.
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