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New Locking System for a Stair Assistance Device
专利权人:
Ruth Amos
发明人:
Ruth Amos,Reginald Copeland
申请号:
US14112417
公开号:
US20140231738A1
申请日:
2012.06.19
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A stair assistance device for use with a handrail, the device comprising a sleeve engageable with and slideable relative to the handrail, and a brake element to hinder or prevent sliding movement of the sleeve, wherein, when the sleeve is engaged with a handrail, the brake element is resiliently biased towards the handrail, to hinder or prevent movement of the sleeve when the device is not in use.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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