DOOR POWER GENERATION DEVICE AND ELECTRIC LOCK SYSTEM INCLUDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a door power generation device etc. for suppressing damage to a gear.SOLUTION: A door power generation device 9 includes: an outdoor side operation member 41 that is rotatably provided on an outdoor side wall face 2c of a door 2; a power generator 42 for converting rotational energy of the outdoor side operation member 41 to electric energy; a transmission mechanism 44 including a first gear 60 for transmitting rotation of the outdoor side operation member 41 to the power generator 42; and a buffer mechanism 45 including a compression coil spring 67 that is elastically deformed depending on torque acting upon the outdoor side operation member 41 to buffer the torque transmitted from the outdoor side operation member 41 to the first gear 60.SELECTED DRAWING: Figure 5