Refrigeration – With means for charging closed refrigeration producing system
Patent
1999-03-19
2000-09-19
Doerrler, William
Refrigeration
With means for charging closed refrigeration producing system
177130, 177146, F25B 4500
Patent
active
061194751
ABSTRACT:
A lift assembly which is coupled to a refrigerant service cart to raise and lock the supply tank of refrigerant off of a weight sensor, locking the tank in a raised position for transportation of the portable servicing cart. In a preferred embodiment, a fixed arm extends from the portable cart and is positioned at a location above the refrigerant tank. A movable connecting link extends from the arm and is coupled to the tank and is controlled by an over-center toggle with a control handle for raising and lowering the tank coupled to the link between a use position resting on the weight sensor and a transporting position engaging the fixed arm and locked thereto by the over-center toggle control.
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Brown William C.
Murray Gary P.
Murray Walter D.
Doerrler William
Jiang Chen-Wen
SPX Corporation
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