24-03-2022 дата публикации
Номер: US20220090432A1
Принадлежит:
A safety system configured to prevent a finger from getting jammed in a gap between an automatic door and a door frame and stop an operation of the automatic door when the automatic door is caught by an obstacle. The safety system prevents a safety accident when a door D, which is disposed at a gap d from a doorframe , configured to slide, and made of a transparent or semi-transparent plate shaped material, is opened or closed while sliding relative to a column on which a push switch for opening the door D is installed The safety system for an automatic door includes a first switch means S installed along a front edge of the door D, and a second switch means S installed at a front end of the doorframe to cover the gap d between a surface of the door D and the front end of the doorframe 1110201. A safety system for an automatic door , which prevents a safety accident when a door D , which is disposed at a gap d from a doorframe , configured to slide , and made of a plate shaped material , is opened or closed while sliding relative to a column on which a push switch for opening the door D is installed , the safety system comprising:{'b': ['1', '1', '1'], '#text': 'a first switch means S installed along a front edge of the door D, wherein the first switch means S comprises:'}{'b': ['100', '1'], '#text': 'a first stationary frame fixed to the door and configured to surround the front edge of the door D;'}{'b': '110', '#text': 'a first rotary frame configured to hingedly rotate relative to the first stationary frame; and'}{'b': ['120', '110'], '#text': 'first detection means installed in the first rotary frame and configured to detect a motion of the first rotary frame;'}{'b': ['110', '100', '112', '110', '114', '110', '100', '110'], '#text': 'wherein the first rotary frame extends along a part or an entirety of a length of a front edge of the first stationary frame , one end of the first rotary frame is rotatably coupled to the first stationary frame and defines a ...
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