Electricity: conductors and insulators – Boxes and housings – With electrical device
Reexamination Certificate
2011-05-03
2011-05-03
Patel, Dhiru R (Department: 2835)
Electricity: conductors and insulators
Boxes and housings
With electrical device
C174S050000, C174S057000, C174S053000, C174S480000, C174S481000, C439S535000, C248S096000, C248S343000
Reexamination Certificate
active
07935886
ABSTRACT:
An adjustable variable ring for electrical junction boxes including a base frame having a guide tab; a sliding insert having a box shaped frame, the sliding insert being configured to slide in and out of the base frame. A ratchet mechanism having a ratchet plate on the base frame including a plurality of steps, and a ratchet spring installed on an inner wall of the box shaped frame including an angled end tab and an angled mid tab protruding from the box shaped frame for engaging one or more of the plurality of steps. The sliding insert is configured to slide in and out of the base frame by disengaging the mid tab from the one or more of the steps by pressing on the end tab, and locks in the base frame by engaging the mid tab with the one or more of the steps.
REFERENCES:
patent: 4794207 (1988-12-01), Norberg et al.
patent: 5042673 (1991-08-01), McShane
patent: 6590155 (2003-07-01), Vrame et al.
patent: 6666419 (2003-12-01), Vrame
patent: 7166801 (2007-01-01), Gretz
patent: 2008/0035363 (2008-02-01), Yan
Backofen, Esq. Paul J.
Crockett & Crockett, PC
Orbit Industries, Inc.
Patel Dhiru R
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