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Title: Motor-free wheel mechanism driven by shape memory alloy
Other Titles: 通过形状记忆合金进行驱动的无马达轮子机构
Authors: Lau, KTA 
Yeung, KCC
Wong, KK
Issue Date: 18-Jun-2008
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 200510079594.0 How to cite?
Abstract: The invention relates to a non-motor wheel which can be driven by shape memory alloy, wherein the invention comprises: a main frame forming one containing space; a rotation part at one side of main frame to rotate relative to the main frame; ratchet (3); and moving part inside the containing space which comprises pushing rod (13) and two SAM actuators (11, 12); the pushing rod (13) has one main body, and upper and lower arms (13A, 13B) longitudinally extending along front and back directions; the free ends of upper and lower arms are arranged with claw and stop claw matched with ratchet (3); two SAM actuators are independently arranged inside two spaces formed by main frame and the main body of pushing rod (13), to move the pushing rod (13) via alternatively powered. The invention has small volume and simple structure.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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