Crutch with height-adjustable grip

A crutch comprising:

• a pair of vertical support frames;
• a vertical connecting pipe located between and fixed to lower portion of the vertical support frames;
• a stick extending coaxially and vertically from a lower end of the fixed vertical connecting pipe;
• a grip;
• a vertically movable slider for supporting the grip, which is mounted on the vertical support frames so that it is slidable along the vertical support frames;
• and
• a slider support means for fixing the vertically movable slider at a prescribed height of the vertical support frames;
• wherein
• the slider support means has a fixed vertical pipe fixed at its lower end to the vertical support frames via the fixed vertical connecting pipe, a movable vertical pipe having an upper end portion on which the vertically movable slider is mounted, a plurality of height adjustment holes at prescribed intervals along an axial direction of the fixed vertical pipe or the movable vertical pipe, and a fixing pin insertable into the height adjustment holes which is constantly pressed by a spring force, wherein
• the lower end portion of the movable vertical pipe is slidably inserted into the fixed vertical pipe from an upper end opening thereof, and wherein
• the height adjustment holes are formed in an upper end portion of the fixed vertical pipe or a lower end portion of the movable vertical pipe, while the fixing pin is provided on the lower end portion of the movable vertical pipe or the upper end portion of the fixed vertical pipe.