Sanwa Shutter Corporation

Masato Hirao

Yasunori Kobayashi

Noriaki Tokuyama

Atsushi Matsumura

Mitsuhiro Yoshida

Tomoyuki Kinoshita

Masaaki Munekata

Yoshihiro Ohtsuka

Hisaya Tagata

A pair of links hangingly support a bearing plate that secures a winding shaft of a shutter curtain. The links are arranged so that the dimension of the space accommodating the links can be minimized. A first link pivots at one end to an end of the bearing plate, adjacent to a shutter guide, and swings at the base end to a side wall of the shutter case so as to project upward away from the shutter guide. A second link pivots at one end to the other end of the bearing plate, away from the shutter guide, and swings at the base end to a portion of the side wall of the shutter case so that the second link extends under the winding shaft toward the shutter guide to bypass the winding shaft. Thus, both the first and second links can be accommodated within the diameter of the winding wheel.

Device for moving a winding shaft in a building shutter

A shutter curtain for an opening such as a window or door of a building comprising: slats each of which is made of materials having different rigidity values, wherein the shutter curtain is formed by arranging the slats in series. Furthermore, the shutter curtain for a building opening comprising: main slats made of a rigid material; and sub-slats made of a material having elasticity, wherein two end portions of the main and sub-slats are connected in series so that the shutter curtain is constituted.

Shutter curtain for a building opening

Panel shutter mechanism

Growing community of inventors

Tokyo, Japan

Masato Hirao