SAFETY TRI-BOARD CAPABLE OF ENABLING SAFETY AND CONVENIENT USE BY ATTACHING SEVERAL SAFETY DEVICES AND CONVENIENT DEVICES TO THE TRI-BOARD

摘要

Purpose: a safety board is provided to fixed safety in terms of travelling, is easy in storage, advantage during exercise, to the fixed safety of travelling aspect at night. Construction: a safety board includes hollow front column (10), is vertically established; Two armed (12) rearward-facing propagation at a predetermined angle, when being fixed to front pillar; One armstand (14) is inserted into front pillar in an adjustable state of height; Foot pedal (18), is installed to the top of armed rear ends; One front-wheel (22) and rear wheels (24) are installed to pitching with trailing arm by one for front pillar; It is connected to the brake lining an of brake cable and is installed near rear wheels. One spill and male-type a folding part (32) is formed with the front end of trailing arm. A separable locking pin is fixed and passed through in folding part by a rotatable joint pin. One mud guard tilts down and extends to the rear end for preventing the splashing of soil to be integrally formed to foot pedal. Ball is installed in the whole circumstances surface of one handle (16) and the wherein ball of perforating of associativity is received the whole circumstances surface for being formed in armstand. Handle can be mounted to armstand with dividing.