William D. Hunter - Jackson MI Hugh E. Cross - Brooklyn MI
International Classification:
B67D 508 B67D 514 G08B 2100 H01H 3502
US Classification:
222 63
Abstract:
A system for dispensing hazardous fluid particular suitable for gasoline service stations utilizing an electrical impact sensing switch mounted upon each dispenser wherein the contacts of the normally open switch close upon impact occurring at the dispenser and the switch controls a primary electrical circuit energizing the pumps providing pressurized fluid to the dispenser whereby impact forces de-energizes the pumps minimizing to actuate alarms and alert personnel of the impact.