Safety Device for Elevator for Protecting Hand from Getting Jammed

A safety device of an elevator for preventing a hand from being caught, the safety device including:

• a stationary frame 20 which has a cross section having a u-shape and is installed along an overall length of a stepped portion of the doorframe 10 between a doorframe 10 of an elevator door and a hall door D of the elevator;
• a plate-shaped rotating frame 30 which is rotatably installed at one end portion of the stationary frame 20;
• an operating pin 40 which is installed on the stationary frame 20 to support a rear surface of the rotating frame 30, supported by a spiral spring S, pushed toward the inside of the stationary frame 20 by a rotation of the rotating frame 30, and protrudes to the outside of the stationary frame 20 by elastic force of the spiral spring S;
• a switch 50 which is installed in the stationary frame 20 such that the switch 50 is actuated when the operating pin 40 is pushed toward the inside of the stationary frame 20 by the rotation of the rotating frame 30;
• and
• a controller C which is connected to the switch 50 and stops an operation of the elevator hall door D or controls an opening/closing speed of the elevator hall door D when the switch 50 is actuated, the controller C controlling operations of the elevator and the door,
• wherein multiple oblong holes 22 elongated horizontally are formed at predetermined intervals in a part of the stationary frame 20 which is in contact with the doorframe 10, such that the stationary frame 20 is fixed to the doorframe 10 by fasteners such as screws or bolts through the oblong holes 22 while adjusting a gap between an end portion of the rotating frame 30 and the hall door D when the rotating frame 30 is maximally opened, and
• the rotating frame 30 is rotated and the switch 50 is actuated to stop the operation of the elevator hall door D or control an opening/closing speed of the elevator hall door D when a person's hand is caught in the gap, such that the person's hand is prevented from being put into the gap.