Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-12-23
1978-09-05
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29280, B23P 1904
Patent
active
041108868
ABSTRACT:
A tool for removing injectors from diesel engines having a working head proportioned to fit closely within the outer end of the central passage of a diesel injector and provided with a shoulder for limiting penetration thereinto. A transverse passage in the working head contains a spring-loaded pin having a stop to limit the distance by which the outer end of the pin projects beyond the cylindrical surface of the working head when the tool is not in use. In use, the spring-loaded pin is depressed to permit the outer end of the working head to be inserted into the central passage of the diesel injector until the shoulder bears against the diesel injector. The working head is replaceably carried on an elongated shaft, and a massive cylindrical driving member is slideable on the same shaft between a stop at the outer end of the shaft and the working head. The proportions are such that, when the working head is inserted into the diesel injector as far as the shoulder will permit; rotation of the tool about its axis brings the pin into alignment with a pre-existing bore in the wall of the diesel injector. Upon reaching such alignment, the pin is urged into the pre-existing bore by its spring, thus locking the tool to the injector so that the driven member can be repeatably struck against the driver stop to thus remove the injector from the diesel engine.
REFERENCES:
patent: 2474360 (1949-06-01), Jimerson
patent: 2641831 (1953-06-01), Helton
patent: 2721090 (1955-10-01), Kamen
patent: 3118696 (1964-01-01), Resare
patent: 3805359 (1974-04-01), Webb
patent: 3945104 (1976-03-01), Brookover
patent: 3972104 (1976-08-01), Partin et al.
Corpus Enrique
Ohannesian Michael J.
Wendler Gunter K.
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