Lower frame for pivoted window

Details Lower frame for pivoted window Lower frame for pivoted window

1977-12-20

1979-11-20

Downey, Kenneth

Movable or removable closures

Frame with closure feature

49390, E06B 104

Patent

active

041745906

ABSTRACT:
Disclosed is a structure of a lower frame for a pivoted window, which prevents intrusion of rain water into the room. The lower frame has a grooved section, and a rotation shaft is mounted on the bottom plate of the groove portion to support the pivoted window. Ventilation holes are formed in a space defined by the lower frame and a lower rail of the pivoted window so that the ventilation holes are communicated with outer air and generation of a negative pressure in the above-mentioned space is prevented.

REFERENCES:
patent: 3383815 (1968-05-01), Smith, Jr.
patent: 3768204 (1973-10-01), Anderberg et al.

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