Patent ID: 6659678
Filing Date: 2003-12-09
Classification: E05C,F15B,F16B,Y10S,Y10T

Abstract:
A mechanism for keeping a lock device released from a movable member, said mechanism comprising:a casing which accommodates said lock device and which has a manual operation hole defined in a side surface of said casing; a piston accommodated in a chamber defined in said casing, said piston being connected to said movable member for reciprocally moving said movable member in accordance with supply of a fluid under pressure to said chamber: a connecting member which is inserted externally through said manual operation hole and which is connected to a lock member of said lock device; and a fastening member which enables displacement of said lock member by said connecting member for releasing said lock device from said movable member and which fastens said connecting member with said lock device being kept released from said movable member.