Patent ID: 7538284
Filing Date: 2009-05-26
Classification: A47B,E05D,E05Y

Abstract:
1. An electrical operating panel which comprises: a mounting part and means for fixedly attaching the mounting part to a support structure; a keyboard part having a front side and a rear side and at least one manually-operable operating key exposed on said front side for activating electrical switches, and hinge means for adjustably connecting said keyboard part to said mounting part at various angular positions, said hinge means including a rotary shaft connected to a first of said mounting part and said keyboard part and a bearing connected to a second of said mounting part and said keyboard part, said bearing providing a cylindrical inner wall for positioning around said rotary shaft to enable rotational movement between said shaft and said bearing, and retaining means for resisting rotational movement between said rotary shaft and said bearing with pressing of said at least one operating key.