Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-05-05
1979-03-20
Lanham, C. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B21D 5310
Patent
active
041446267
ABSTRACT:
A method of fabricating flexible joints such as are used in automotive steering linkages or the like wherein each housing is provided with an integral internal spherical bearing surface formed during the forging and inner cavity machining operations, with such housings being characterized by precisely localized hardened annular zones at the spherical bearing surfaces.
REFERENCES:
patent: 2614317 (1952-10-01), Deussen
patent: 2733086 (1956-01-01), Latzen
patent: 2973227 (1961-02-01), Glavan
patent: 3243212 (1966-03-01), May
patent: 3652346 (1972-03-01), Tomita et al.
Metals Handbook, 8th Edition, vol. 2, Heat Treating, Cleaning & Finishing, pp. 91, 92, (1964).
Keenan Michael J.
Lanham C. W.
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