Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1977-06-14
1978-09-19
Feldbaum, Ronald
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
16146, 217 60E, E05D 1110
Patent
active
041142357
ABSTRACT:
A stay, which may be used to retain the open position of the cover of a scase, for example, comprises a pair of arms which turn relatively about a pivot pin extending through overlapped ends of the arms. The pivot pin holds a spring plate superposed with the overlapped ends of the arms, and the spring plate is connected to one of the arms for turning movement therewith relative to the other arm. A detent ball supported in a socket on one arm and retained therein by engagement with the spring plate enters a detent dimple when the arms reach a limit of their relative turning movement.
REFERENCES:
patent: 1693169 (1928-11-01), Young
patent: 1779281 (1930-10-01), Levine
patent: 1827595 (1931-10-01), MacGuire
patent: 2442955 (1948-06-01), Lundberg
patent: 3141694 (1964-07-01), Birmingham
patent: 3285647 (1966-11-01), Birmingham et al.
patent: 3359029 (1967-12-01), Fernberg
patent: 3740791 (1973-06-01), Bulin
Feldbaum Ronald
Presto Lock Company, Division of Walter Kidde & Company, Inc.
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