Security device for thermostat

Details Security device for thermostat Security device for thermostat

1984-05-14

1987-05-12

Smith, Gary L.

Locks

Special application

For closures

70134, 292142, B65D 5514, E05B 6506, E05C 106

Patent

active

046639519

ABSTRACT:
A security device for a thermostat comprising a housing for said thermostat, a lid member secured to the housing for movement between an opened position and a closed position, to gain and prevent access to the thermostat, respectively. The thermostat has a rotatable thermostat adjustment shaft extending exteriorly of the housing for manual manipulation thereof. A lock member is mounted in the housing for movement between a first position whereat the lock member lockingly engages the adjustment shaft to prevent rotation thereof and engages the lid member to prevent opening thereof and a second position whereat the lock member is disengaged from the adjustment shaft and the lid member permitting manual manipulation of the shaft or opening of the lid member and a key-operated actuating member disposed in the housing and extending exteriorly of the housing for displacing the lock member between its first and second positions.

REFERENCES:
patent: 1720590 (1929-07-01), Evans
patent: 2445036 (1948-07-01), Prentice
patent: 2771313 (1956-11-01), Blake
patent: 3204436 (1965-09-01), Nemsky
patent: 3638461 (1972-02-01), Watson
patent: 3839886 (1974-10-01), Watson
patent: 4203430 (1980-05-01), Takahashi

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