Box lock construction

Details Box lock construction Box lock construction

1993-03-08

1994-05-31

Cuomo, Peter M.

Locks

Portable

Padlocks

70 63, 70159, E05B 6736

Patent

active

053158490

ABSTRACT:
A utility meter box lock construction includes a male assembly having a male body which is bolted to the front wall of the utility meter box with a threaded bolt having an annular groove which is locked to the male body by a set screw. The lid is secured in place in a closed condition by a conventional utility plunger lock which is assembled to a female assembly having a bore which aligns with a bore in the male body. A threaded insert is threaded to the male body in the bore which is aligned with a second bore in the female assembly for receiving the plunger lock. The balls of the plunger lock are expandable to an extension locking state for mating with a groove in the insert threaded to the male body. The position of the plunger balls is set along the plunger bore by rotation of the threaded insert for ensuring that the female member with a lid-locking flange closely closes the lid of the box to the box sidewalls. The set screw for locking the male assembly bolt in place is located within the female assembly body to preclude access by a tamperer. The female body includes an L-shaped flange with a steel L-shaped insert, the body of the female assembly being made of molded nylon. A padlock-type seal is secured over the installed plunger lock to preclude further tampering.

REFERENCES:
patent: 3968985 (1976-07-01), Nielsen, Jr. et al.
patent: 4031722 (1977-06-01), Michelman et al.
patent: 4049313 (1977-09-01), Lundberg
patent: 4080811 (1978-03-01), Nielsen, Jr.
patent: 4096718 (1978-06-01), Michelman et al.
patent: 4107959 (1978-08-01), Skarzynski et al.
patent: 4120182 (1978-10-01), Michelman et al.
patent: 4120183 (1978-10-01), Walters
patent: 4313319 (1982-02-01), Haus, Jr. et al.
patent: 4551999 (1985-11-01), Guiler
patent: 5007258 (1991-04-01), Mahaney

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