Joints and connections – Articulated members – Pivoted
Patent
1991-03-12
1992-01-21
Kundrat, Andrew V.
Joints and connections
Articulated members
Pivoted
403162, 403163, F16C 1100
Patent
active
050823876
ABSTRACT:
A pivot joint for a rotary lever has a spacer extending axially from a foundation such as an engine motor component. The spacer includes a cylindrical ferrule. A rotary lever and a belleville spring, both having a bore of a size to fit over the outside of the ferrule in a sliding fit, are slid over the ferrule. The belleville spring has an uncompressed cone height to thickness ratio of 1.4 to 1.8 and is compressed by at least 50% of the uncompressed cone height. The joint also includes a means for fastening the spacer to the foundation and a means for securing the lever and belleville spring onto the ferrule. The securing means bears against the free end of the ferrule to compress the spring to provide a substantially uniform operating torque from one assembly to another.
REFERENCES:
patent: 479329 (1892-07-01), Kolesch
patent: 1925671 (1933-09-01), Mansfield
patent: 2308475 (1943-01-01), Fawkes
patent: 2325193 (1943-07-01), Nutt et al.
patent: 2344808 (1944-03-01), Duffield
patent: 2587058 (1952-02-01), Melrose
patent: 2626156 (1953-01-01), Bergh
patent: 3129597 (1964-04-01), Prior
patent: 3269696 (1966-08-01), Norton
patent: 4135694 (1979-01-01), Stegenga
Pp. 5 and 12 from untitled catalog, admitted prior art.
Kohler Co.
Kundrat Andrew V.
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