Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-07-09
1977-12-06
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29263, 29264, B23P 1904
Patent
active
040608840
ABSTRACT:
An extractor for the barrel lock of a kilowatt-hour meter comprises four components. A first component is a member having a threaded shank and an enlarged head. The head has a recess of circular cross-section the diameter of which corresponds to the outside diameter of the head of the barrel lock which is to be extracted. A pair of holes in diametral alignment are provided in the head of the extractor member adapted, when the head of the barrel lock is received within the recess of the extractor member, to register with the seal-wire opening in the head of the barrel lock. A second component, namely, a retaining pin, is inserted into the registered holes to retain the extractor member on the barrel lock. A third component is a sleeve having at its forward end a recess the shape and size of which correspond to the outside shape and size of the head of the first extractor member. At the rearward or outward end of the sleeve is an axial hole through which projects the end of the threaded shank of the first extractor member. The fourth component is a nut which is applied to the projecting end of the threaded shank and which, when tightened against the outward end of the sleeve, is effective to pull the first extractor member outwardly, thereby pulling the barrel lock outwardly.
REFERENCES:
patent: 720622 (1903-02-01), Rosenthal
patent: 1395587 (1921-11-01), McLachlan
patent: 1814830 (1931-07-01), Cooke
patent: 2133697 (1938-10-01), Hansen
patent: 2465011 (1949-03-01), Culliton
patent: 2487331 (1949-11-01), Greene
patent: 3584365 (1971-06-01), Cuen et al.
patent: 3816899 (1974-06-01), Kitts
patent: 3824672 (1974-07-01), Michelsen
Jones Jr. James L.
Zatarga J. T.
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