The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 1992
Filed:
May. 09, 1990
Hideo Hirabayashi, Tokyo, JP;
Yoshitsugu Utsumi, Tokyo, JP;
Masakazu Makino, Tokyo, JP;
Hirosaburou Mori, Tokyo, JP;
Sanwa Shutter Corporation, Tokyo, JP;
Abstract
A shutter assembly for a bay window to close an opening by moving a shutter curtain upward from a containing space in the bottom of the bay window and to open it by way of a downward movement of the curtain under the influence of a coil spring. The basic driving system for the shutter is located either in the roof or in the lower containing space of the bay window. Various devices are disclosed including a seal for sealing the space between the leading member of the curtain and the roof of the bay window, a structure for installing the driving motor, a structure for detachable connection of the driving shaft, hainging members used to raise and lower the curtain, a structure for supporting the winding drum on the driving shaft, as well as features to allow maintenance of the shutter assembly.