Convertible set-back selector clip
AssigneeRobertshaw Controls Company
InventorAllen L. Teichert
Life of this patent
Estimating the term…
Abstract
There is disclosed a timer mechanism having a driven clock dial with a mechanism for sequential operational modes activated by arms which are adjustably fixedly carried on the clock dial. The invention comprises a bracket fixedly carried on the clock dial which receives a removeable arm clip permitting the clip to be removed and the arm deactivated. The device is particularly intended for use with room or space heating thermostats and the removeable clip permits conversion of the thermostat from single to multile set-back capability.
Claims8
In a timer mechanism having a driven clock dial, a mechanism for sequential operational modes, juxtapositioned cam means operative, upon movement, to move said mechanism to a preselected operational mode, and at least one radial arm fixedly adjustably secured to said clock dial and bearing a respective lug to engage and move said cam means, the improvement comprising:
- at least one flange secured to said dial and a removeable arm clip having a receptacle groove to receive said flange and permit its removeable mounting on said flange in a position with its arm projecting radially from said dial a sufficient distance for operative engagement with said cam means.
Dependencies are inferred from the claim text.