Motor driven vehicle, has chassis with retaining unit that contains retaining plate for releasably securing engagement section of drive unit support frame to main frame of chassis

摘要

#CMT# #/CMT# The chassis (10) comprises a main frame (11) and a retaining unit (12) that contains a retaining plate. The main frame comprises at least one primary connecting piece (112) fixed to a secondary connecting piece and provided with a recess having an open end on the underside. The retaining plate has one end connected to a primary connecting piece via a hinge and a free end which can be rotated between a lock position in the recess opening in the primary connecting piece so that this open end is closed, and a release position where it is removed from this opening. The free end of the plate is biased towards the blocking position by a spring. The drive comprises a support frame (21) placed underneath the main frame, wheels mounted on the support frame and a drive unit (22) mounted on the support frame and used to drive wheels. The support frame comprises an elongated primary engagement section (211) arranged within the recess in the primary connecting piece and a secondary engagement section (212) which makes contact with the secondary connecting piece. The detachment of the engagement section from the recess is prevented if the free end of the plate is arranged in the lock position. The detachment of the section is permitted if the free end is arranged in a release position. #CMT#USE : #/CMT# A motor driven vehicle is described. #CMT#ADVANTAGE : #/CMT# The detachment of the engagement section of the support frame from the recess is permitted if the free end of the retaining plate is arranged in the release position, thus allowing the heavy drive unit to be removed from the vehicle chassis without much trouble. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure shows a partly exploded perspective view of the chassis and drive unit of the vehicle. 10 : chassis 11 : main frame 12 : retaining unit 21 : support frame 22 : drive unit 23 : wheels 112 : primary connecting piece 113 : secondary connecting piece 211 : primary engagement section 212 : secondary engagement section.