Compression seals in a double hung style window

Details Compression seals in a double hung style window Compression seals in a double hung style window

1986-07-03

1987-11-10

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

With counterbalance

49209, 49406, E05F 100, E05D 1510

Patent

active

047048212

ABSTRACT:
A double-hung window includes a lower sash and balances having components which cooperate with weatherstripping on the window frame and other components to provide a compression seal when the window is closed.

REFERENCES:
patent: 2108000 (1938-02-01), Holt et al.
patent: 2761173 (1956-09-01), Dinsmore
patent: 3499248 (1970-03-01), Baer
patent: 4078336 (1978-03-01), Prosser
patent: 4464864 (1984-08-01), Yackiw
patent: 4503641 (1985-03-01), Swan
patent: 4580366 (1986-04-01), Hardy

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