Locks – Special application – For control and machine elements
Patent
1982-07-21
1984-07-10
Wolfe, Robert L.
Locks
Special application
For control and machine elements
70177, 70108, 70 56, E05B 6738, B65D 5514, F16C 300
Patent
active
044585101
ABSTRACT:
A locking device to prevent unauthorized opening of a winged gas stop used to control the flow of gas to a residence from the lines of a utility company is disclosed. The device comprises a shroud which is shaped to fit snugly over the two wings of the gas stop when the gas stop is in a closed position and a barrel lock which is adapted to be inserted into the shroud and through holes in the wings to lock the wings in place and the shroud on the wings so that the wings cannot be moved relative to each other. The shroud includes a metal shell open at the bottom and at the rear, a thin metal sleeve, a metal locking plate and a metal end cap. The locking plate and end cap are both welded onto the rear of the shell and the sleeve is press fit into a hole in the front of the shell. The sleeve includes two sets of apertures near the outer end, one for use in attaching a lead wire tamper indicating seal and the other for use in attaching a tamper indicating seal, and a step along a midlocation for limiting the inward movement of the sleeve when it is inserted in the shell. The shell includes integrally formed reinforcing bars to prevent bending the shell away from the gas stop from the bottom or sides with a claw hammer or other hand tool after it is mounted thereon to gain access to the wings.
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Kriegsman Irving M.
Omco Inc.
Wolfe Robert L.
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