Clamp-proof device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 杭州西子孚信科技有限公司
- Publication Date
- 2007-05-30
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to an anti-pinch device, which is mainly used for automatic sliding doors of elevators. Background technique
[0002] Article 7.5.1 of GB7588-2003 "Safety Code for Elevator Manufacturing and Installation" stipulates: "The design of the landing door and its surroundings should minimize the risk of damage or injury caused by people, clothes or other objects being caught. In order to avoid Risk of shearing during operation, power-operated automatic sliding doors shall have no recesses or protrusions greater than 3 mm on the outer surface, and the edges of these recesses or protrusions shall be chamfered in the direction of door opening travel". Since there is still a certain movement gap between the door leaf and the column, Article 7.1 of GB7588-2003 "Safety Code for Elevator Manufacturing and Installation" also stipulates: "For passenger elevators, this movement gap shall not be greater than 6mm. For cargo elevators, this gap shal...