Hugh Cross

US Patent:

50836765, Jan 28, 1992

Filed:

Apr 16, 1990

Appl. No.:

7/509608

Inventors:

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.