CIRCUIT SUPPORT APPARATUS FOR MEDICAL USE AND PIVOT MECHANISM THEREOF
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United States of America Patent
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Issued Date -
May 19, 2011
app pub date -
Nov 16, 2010
filing date -
Nov 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The circuit support apparatus of the invention includes a pivot mechanism, two arms and a circuit holder connected to one of the arms. The pivot mechanism includes a stationary ring, a rotary ring correspondingly connecting with the stationary ring and being capable of rotating with respect to the stationary ring, a ratchet gear, a push button connecting with the ratchet gear. The rotary ring has a plurality of first teeth. The ratchet gear has a second tooth only being rotated with respect to the first teeth in one direction. The arms are respectively connected to the stationary ring and the rotary ring. When the push button is pushed, the second tooth is shifted out of mesh with the first teeth, and the rotary ring with one arm is rotatable with respect to the stationary ring with the other arm. It is quite safe and convenient for users.
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