Weatherseal apparatus for double hung windows

Details Weatherseal apparatus for double hung windows Weatherseal apparatus for double hung windows

1991-07-10

1992-05-12

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

With plug, flap, or bridger for meeting rail

49493, B65B 3100

Patent

active

051116162

ABSTRACT:
A weatherproof sealing apparatus (10) to seal the opening between upper (200) and lower (100) window sashes in the open position; wherein, the sealing apparatus (10) includes a support member (13) having a generally cruciform cross-section and a resilient sealing block (20) attached to, and projecting outwardly from, the support member (13) to compressively engage the space between the upper (200) and lower (100) window sashes.

REFERENCES:
patent: 979631 (1910-12-01), Yeager
patent: 1669599 (1928-05-01), Champion
patent: 1885922 (1932-11-01), Kunz et al.
patent: 1946728 (1934-02-01), Bell
patent: 2134477 (1938-10-01), Hendriksen
patent: 2521617 (1950-09-01), Webster
patent: 3124850 (1964-03-01), Johnson
patent: 3383801 (1968-03-01), Dallaire
patent: 4437266 (1984-03-01), Keller

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