Keyless locking device and method

Details Keyless locking device and method Keyless locking device and method

1993-04-14

1995-01-03

Kannan, Philip C.

Closure fasteners

Clamps

Ring

292307R, 292327, B65D 4530

Patent

active

053780302

ABSTRACT:
A progressively set of more costly and higher level keyless locking devices secure an electric utility meter. A first low level and low cost keyless device includes a female member with spaced resilient legs which compressively converge when inserted in a plate hole and then naturally diverge to a normal state. A male locking member is inserted between the legs to lock the legs in the plate hole. A seal secures this arrangement. In a further embodiment, a female locking body is attached to a first end of a clamp ring. A second apertured ring end is inserted through the first ring end into the body. A keyless thermoplastic locking device of a first level is inserted into the body for securing the ring ends. A seal secures this arrangement. Other embodiments are disclosed including an all metal locking body used with a thermoplastic keyless male member for providing a higher security level and higher cost.

REFERENCES:
patent: 4254647 (1981-03-01), Finck, Jr.
patent: 4415190 (1983-11-01), Finck, Jr. et al.
patent: 4702093 (1987-10-01), Dewalch
patent: 4804303 (1989-02-01), Statkus
patent: 4874276 (1989-10-01), Iguchi
patent: 4978266 (1990-12-01), Becker et al.
patent: 5121953 (1992-06-01), Mahaney
patent: 5163795 (1992-11-01), Benoit et al.

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