DOOR OPERATOR

• Main Authors: TADLOCK, ROBERT, HOUSER, BLUE, SCHOENER, JEFF, KIRKPATRICK, LANA, PRESLEY, JOHN, LAMPLEY, SIDNEY J, HARRIS, TOM
• Format: Patent
• Language: English; French
• Published: 30.11.2010
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

A drive mechanism is provided for a door operator, comprising a drive member and a driven member. The drive member includes a protrusion, the edges of the protrusion forming first and second driving surfaces which define a free space of at least about 90~ there between. The driven member includes a...