Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-07-13
1979-02-13
Keenan, Michael J.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291495B, B23P 1500
Patent
active
041387759
ABSTRACT:
A method for manufacturing a shoe for use, in a swash-plate type compressor, which shoe is to be inserted between a swash-plate and a ball for transmitting the motive power of the swash-plate to the piston related, wherein (1) a base material from which the shoe is made, is composed of steel and is on one side provided with a concavity having an annular groove inside; (2) an annular material of copper or other like metal, free from seizure when pressed against steel is put in the concavity before a male die with a projection of semispherical surface configuration is pressed thereinto; and (3) the concavity in the base material will then be deformed into a desired approximately semispherical configuration, while the annular material is spread under pressure between the projection and the base material of the shoe to cover the surface of the concavity to form a spherically deformed concavity. Shoes made in this way are highly resistant to high-speed operation, heavy-load, and impact. They are furthermore, extremely economical in manufacturing, and free from seizure or abnormal wearing even in case of a lubrication shortage.
REFERENCES:
patent: 1322245 (1919-11-01), Klassen
patent: 1679772 (1928-08-01), Johnson
patent: 3559265 (1971-02-01), Noris et al.
patent: 3785751 (1974-01-01), Nemoto et al.
Fukuda Takashi
Inoshita Teruaki
Takaoka Hikaru
Toga Hitoshi
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Keenan Michael J.
Taihou Kogyo Kabushiki Kaisha
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