Adjustable elastic band inspecting apparatus

An adjustable elastic band inspecting apparatus comprising a supporting frame, an inspection holder, and a positioning rod;

• in which
• said supporting frame includes a C-clamp having an adjusting rod which enables the height of said supporting frame to be adjusted by loosening and tightening the adjusting rod of the C-clamp, and on the top of said supporting frame is a connecting portion to which said inspection holder is pivotally jointed by a pin;
• said inspection holder being is equipped with a rotatable inner axle on the upper end of which is arranged a locating ring with two symmetric engaging areas, and further having a locating bar of which one end is a hook portion engageable with the engaging areas of the locating ring and the other end is a lever under which is arranged a spring providing a constant resilient force to keep the hook portion pressed down against the engaging areas, said lever is pivotally connected to the inspection holder by a pin, the apparatus further including two brackets, shaped symmetric to each other and each having an elongated hole and an adjustable support abutment disposed at the outer end of each bracket thereof, and the brackets being attached to the lower end of the inner axle which passes through the elongated hole with a bolt fastened on the outermost end thereof;
• and said positioning rod being equipped with two pair of axle tubes and knobs, respectively mounted on axle bushes mounted to said supporting frame and said inspection holder.