Patent ID: 11872471
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC A  F | IPC A  F

Claim 5:
6. The braking mechanism of claim 5, wherein the base portion and the tubular portion are integrally formed of one piece, a second end plate is screwed to an end of the tubular portion, the rod is movably disposed through the second end plate; the tubular portion includes a plurality of guiding slots, the first abutting member includes a plurality of projections which are detachable and slidably received within the plurality of guiding slots; the at least one braking pad includes a concave surface configured to correspond to and frictionally contact the at least one wheel; a plurality of fasteners are disposed through the board so that the at least one braking pad is detachably secured to the board; the plurality of fasteners are not protrusive beyond an outer surface of the at least one braking pad; the first abutting member and the second abutting member each further includes a blocking protrusion and an insertion hole, the elastic member is a coil spring, the coil spring is disposed around the first abutting member and the second abutting member, distal ends of the coil spring are inserted in the insertion hole of the first abutting member and the insertion hole of the second abutting member, respectively; the coil spring is axially blocked by the blocking protrusion of the first abutting member and the blocking protrusion of the second abutting member.