STAIRWAY NON-SLIP RAILING MANUFACTURING METHOD AND STAIRWAY NON-SLIP RAILING

摘要

The present invention relates to a method for manufacturing a non-slip handrail member for stairs and a non-slip handrail member for stairs, which prevents the rubber ball from falling off and allows a larger rubber ball to be combined, and has a semicircular ball entry groove formed concave away from the center. 22 is formed on the inner circumferential surface of the outer pipe 20 at an equal angle, and the rubber protrusion holes 24 are drilled at regular intervals in the longitudinal direction between the ball entry grooves 22 of the outer pipe 20, and concave toward the center. Semi-circular rubber support groove 32 is formed to be equally formed on the outer circumferential surface of the inner pipe (30), punctures the engaging hole 34 along the longitudinal direction of the rubber support groove 32 at regular intervals, and engaging holes ( 34 is formed in the lower end of the rubber ball 40, the one-way locking projection 42 is inserted into the rubber ball 40 is inserted into the inner pipe 30 to the inside of the outer pipe 20 and twisted by a rubber ball ( 40, rubber protrusion holes (2 It is constructed by protruding with 4).