Cutlery
Patent
1978-11-13
1983-11-29
Stearns, Richard R.
Cutlery
308183, 308196, F16C 1918, F16C 3358
Patent
active
044177739
ABSTRACT:
A swivel joint has a first U-shaped ring member including two first leg portions which bound a recess therebetween, and a secnod T-shaped ring member having a second leg portion which is received in the recess bounded by the first leg portions. Each of the first leg portions has a first semi-spherical groove, and a second leg portion has two second semi-spherical grooves each forming with a respective first semi-spherical groove a spherical groove. Two rows of balls are provided, each received in a respective one of the thus-formed spherical grooves. The first leg portions may have through-going passages through which the balls can be inserted. The passages may be closed by inserts.
REFERENCES:
patent: 1644611 (1927-10-01), Reiffert
patent: 2364951 (1944-12-01), Corte
patent: 2488825 (1949-11-01), Palumbo
patent: 3748002 (1973-07-01), Barker et al.
Maschinenfabrik Buckau R. Wolf Aktiengesellschaft
Stearns Richard R.
Striker Michael J.
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