| 摘要 |
Lockable meter retention rings for securing electric meters in meter boxes comprise an inner ring of multiple arcuate parts wherein the inner ring has spaced-apart inwardly extending flanges for holding the electric meter in the meter box and a steel outer ring which fits over and engages with the inner ring wherein the outer ring keeps the inner ring assembled. The outer ring has a lock enclosure which, together with a portion of the inner ring, defines an opening for receiving and retaining a barrel lock, the barrel lock securing the rings together. Bayonet and screw type engagements between the inner and outer rings are disclosed, with the barrel lock preventing relative rotation of the rings necessary to disengage them. Another form of engagement has a flange of the outer ring received by the inner ring, with the barrel lock securing the outer ring to the inner ring diametrically opposite the flanged engagement. Various lock enclosures are described having both front and side entry openings for the barrel lock.
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