Tank heating and control unit
OwnerVoigt O. Lenmarkinventor
Life of this patent
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Abstract
An improved electric heating system for removable application to the bottoms of stock watering tanks. It consists of a substantially rigid heater element connected in series with a surface thermostat, for energization from a suitable electrical source. The element is forced into heat transfer relation with the outside of the bottom of said tank, and is rigidly connected to a thermostat bracket which simultaneously provides good heat transfer from the tank to the thermostat.
Claims7
In a heating unit for application to the outer surface of a stock watering tank, comprising a substantially rigid linear heating element configured to be held in contact with said surface when brought into engagement with securing means depending therefrom, and a surface thermostat connected to control said element and having a flat face for thermal engagement with said surface, the improvement which comprises:
- a mounting plate for said thermostat, including
- a first portion to bear inwardly against said surface,
- a second portion secured to said thermostat to bear inwardly thereagainst,
- and means located between said portions for securing said plate directly to said element, so that when said element is held against said surface said thermostat and said plate are also held against said surface.
Dependencies are inferred from the claim text.