Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances
Patent
1997-05-22
2000-03-28
Mah, Chuck
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
16DIG16, 49181, E05D 1300
Patent
active
060414758
ABSTRACT:
An automatic locking brake shoe device for a double sash window is disclosed which is slidably disposed in the guide channel of the window jamb liner. The brake shoe device interconnects with an associated sash through a laterally projecting sash pin. The automatic locking brake shoe device comprises first and second brake shoe members that are pivotally connected for relative pivotal movement. The first member is connected to the window balance mechanism, and the second member includes a locking member that engages the jamb liner when it is rotated to the locking position. A small spring disposed between the first and second members normally urges the second member into the locking position when the sash is removed. The sash pin engages the second member when the sash is in its sliding position causing the small spring to yield and to attract the second member from the locking position.
REFERENCES:
patent: 3441978 (1969-05-01), Perry
patent: 4363190 (1982-12-01), Anerson
patent: 5027557 (1991-07-01), May
patent: 5301467 (1994-04-01), Schmidt et al.
patent: 5632117 (1997-05-01), Prete et al.
Intek Plastics, Inc.
Mah Chuck
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