Geared motor for self-travelling carrier

A geared motor structure for a self-traveling carrier operatively mounted on a track, comprising:

• a wheel operatively mounted to roll on the track;
• a motor having a motor shaft and operatively connected to drive said wheel;
• a speed change mechanism including an output shaft mounted onto said wheel, an output shaft gear fixed onto said output shaft, an intermediate shaft located parallel to the output shaft, an intermediate pinion mounted on the intermediate shaft and operatively engaged with the output shaft gear, a hypoid gear fixed onto the intermediate shaft, and a hypoid pinion integrally formed with the motor shaft and operatively engaged with the hypoid gear, wherein the motor shaft of said motor is orthogonally positioned relative to said speed change mechanism between the intermediate shaft and the output shaft;
• and
• a gear box housing located between the motor shaft of said motor and said wheel, said gear box being formed so as to house said speed change mechanism, wherein
• the intermediate pinion and the intermediate shaft are splined so as to be inter-engaged with each other, the intermediate pinion further being axially slidable along the intermediate shaft so as to be slidably releasable from the intermediate shaft.

A speed change mechanism for a geared motor structure in a self-traveling carrier operatively mounted on a track, wherein the motor structure includes a wheel operatively mounted to roll on the track, a motor having a motor shaft and operatively connected to drive the wheel, and a gear box housing located between the motor shaft of the motor and the wheel, the gear box being formed so as to house the speed change mechanism, the speed change mechanism comprising:

• an output shaft mounted onto the wheel;
• an output shaft gear fixed onto said output shaft;
• an intermediate shaft located parallel to said output shaft;
• an intermediate pinion mounted on said intermediate shaft and operatively engaged with said output shaft gear;
• a hypoid gear fixed onto said intermediate shaft;
• and
• a hypoid pinion connected to the motor shaft and operatively engaged with said hypoid gear, wherein the motor shaft of the motor is orthogonally positioned relative to the speed change mechanism between said intermediate shaft and said output shaft, and
• said intermediate pinion and said intermediate shaft are splined so as to be inter-engaged with each other, said intermediate pinion further being axially slidable along said intermediate shaft so as to be slidably releasable from said intermediate shaft.