Tamper-resistant seal for a fuel injection pump

Details Tamper-resistant seal for a fuel injection pump Tamper-resistant seal for a fuel injection pump

1983-02-28

1984-09-11

Look, Edward K.

Pumps

Combined

137382, 261DIG38, 261DIG84, F04B 2100

Patent

active

044707690

ABSTRACT:
A tamper-resistant seal is disclosed for discouraging unauthorized access to an adjusting screw located in a fuel injection pump. The seal includes a bracket secured by one-way fasteners to the pump and is positioned adjacent to the adjusting screw. The bracket also includes a stud projecting outwards from its outer surface. A cover having an aperture formed therein is positioned over the bracket such that the stud passes through the aperture. When so aligned, the cover will completely enclose the one-way fasteners and the adjusting screw thereby preventing access to them. The cover is secured to the bracket by a fastener which locks onto the stud. The fastener prevents the removal of the cover from the bracket without physically destroying the seal. Such a seal is beneficial in providing visual assurance to the manufacturer that his pump has not been tampered with.

REFERENCES:
patent: 2142048 (1938-12-01), Davis et al.
patent: 4272458 (1981-06-01), Ruth et al.
patent: 4273730 (1981-06-01), Byrnes
patent: 4308220 (1981-12-01), Tateno

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