Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1985-12-30
1987-06-02
Combs, E. Michael
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29416, 29447, B23P 1514, B21D 5328
Patent
active
046691650
ABSTRACT:
A method of manufacturing a split spur gear having adjacent external teeth with tooth roots therebetween and of mounting the spur gear onto a shaft having a first cylindrical portion including a seating surface for the spur gear with a given diameter and a second cylindrical portion adjacent the seating surface for operating the spur gear with a diameter smaller than the given diameter includes subdividing an entire gear body having a region intended for tooth roots into gear rings for forming at least one separating surface therein normal to the axis of the gear, subdividing each gear ring into at least two toothless ring segments by forming separating gaps therein offset relative to each other in the circumferential direction of the gear through the region intended for tooth roots, interconnecting the gear rings by locking connection elements in place parallel to the axis of the gear, shrinking the gear body onto an auxiliary mandrel, making external teeth on the gear body after the gear body has been shrunk onto the mandrel, dismantling the gear body from the auxiliary mandrel, assembling the gear body onto the second cylindrical portion of the shaft, uniformly heating the gear body to a given shrink-fitting temperature, and shrinking the gear body onto the seating surface formed on the shaft.
REFERENCES:
patent: 101352 (1870-03-01), Copeley
patent: 595553 (1897-12-01), Bissell
patent: 965443 (1910-07-01), Culp
patent: 975743 (1910-11-01), Bloomfield
patent: 1678582 (1928-07-01), Allen
patent: 3439551 (1969-04-01), Militana
patent: 3590619 (1971-07-01), Sheldon
patent: 3852872 (1974-12-01), Afanador et al.
patent: 4007540 (1977-02-01), Tyree
patent: 4125026 (1978-11-01), Torii et al.
Combs E. Michael
Greenberg Laurence A.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
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