Angle adjusting stand
An angle adjusting stand contains two bases, each including a hole, at least one limiting aperture, an engaging portion, and plural first locking faces; two adjusting devices, each including a holder, a spring, a bolt, and a nut; two supporting posts, each including a first contacting portion, a second contacting portion, and a connecting portion coupled; at lease one middle post including a top and a bottom horizontal sections, wherein the top horizontal section includes two sides, one of which includes a first extension to retain with the first slot and another of which includes a first recess to retain with the first pillar, the bottom horizontal section includes two sides, one of which includes a second extension to retain with the second slot and another of which includes a second recess to retain with the second pillar so that the middle post is connected between the two supporting posts.
A
A47B
inventional
Chun Yuan
Chang