Ykk Corporation of America

Ykk Ap Inc.

Jin Goto

Tsutomu Ito

Akio Ozawa

John Patrick Daniels

Hiroyuki Sasaki

A sash window includes two window frames disposed in lateral juxtaposition and each including a head member, a sill member and a pair of jamb members connected together into a rectangular configuration, and a pair of upper and lower sashes supported within a respective one of the window frames. A sill nose facing member is mounted to exterior sides of the sill members and extends continuously from an outer end of one sill member to an outer end of the other sill member. Each window frame has miter joints at corners thereof so as to provide sufficient structural strength. The miter joints formed between the sill member and the jamb members are covered or concealed and do not deteriorate an aesthetic appearance of the sash window.

Sash windows

A sash window includes two window frames disposed in lateral juxtaposition and each including a head member, a sill member and a pair of jamb members connected together into a rectangular configuration, and a pair of upper and lower sashes supported within a respective one of the window frames. A sill nose is mounted to exterior sides of the sill members and extends continuously from an outer end of one sill member to an outer end of the other sill member. Each of the upper sashes is fixed to the respective one of the window frames by attachment members.

Sash window assembly

Various embodiments of the invention provide an integrated window assembly that includes a mullion, a window frame to be secured relative to the mullion, a reinforcement member positioned within the mullion, sashes on each side of the mullion, and an integrally formed connector positioned between the reinforcement member within the mullion, the window frame, and the sashes. In various embodiments, the integrally formed connector and the reinforcement member provide improved wind resistance for the window assembly, according to various embodiments of the invention. For example, in a particular embodiment, the window assembly can withstand about 75 lbs. per square foot of pressure with no permanent deflection in excess of about 0.4%.

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Marietta, GA, United States of America

Jin Goto