Programmable manual actuator

Details Programmable manual actuator Programmable manual actuator

1976-08-30

1978-01-31

Bell, Houston S.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141392, B65B 326

Patent

active

040710599

ABSTRACT:
A control system for a gasoline dispensing nozzle which includes a locking system for placing the nozzle in an inoperative mode once the nozzle automatically shuts off. Resetting of the locking system is then required before operation of the nozzle can again be commenced. The locking system includes a biased member which maintains the automatic shut-off system in its disabling mode once it disables the nozzle. This locking system is designed primarily for use on a dispensing nozzle with a vapor receiving system and is used to discourage an operator of the nozzle from overfilling a gasoline tank, which results in increasing the risk of spilling gasoline or forcing gasoline back through the vapor return line. An alternative embodiment using magnetic locking means is also provided.
An actuator for the resetting operation is also provided for limiting the number of times the locking system can be reset during each filling operation.

REFERENCES:
patent: 3996979 (1976-12-01), Barr et al.

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