CPC G01N 33/49 (2013.01) [G01N 11/06 (2013.01); G01N 11/16 (2013.01); G01N 33/4905 (2013.01); G01N 33/86 (2013.01); G01N 11/14 (2013.01); G01N 2011/147 (2013.01)] | 12 Claims |
1. A bracket, comprising: a fixed support part, a movable support part, and a connection part; wherein
the connection part comprises a first fixing connection member and a second fixing connection member;
the first fixing connection member is fixedly connected to the fixed support part;
the second fixing connection member is fixedly connected to the movable support part;
the first fixing connection member is connected to the second fixing connection member downward point contact fashion of the second fixing connection member on the first fixing connection member, such that the first fixing connection member and the second fixing connection member can rotate relative to each other;
the movable support part is fixedly connected to a supported object; and
when driven by the supported object, the movable support part rotates relative to the fixed support part by means of the downward point contact of the second fixing connection member on the first fixing connection member, the downward point contact being the only point contact between the fixed support part and the movable support part.
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