Cam-actuated lift assist for tow bar activated brake system

A lift assisted tow bar system, comprising:

• a tow bar pivotally coupled to a towed vehicle to define a tow bar rotation axis, said tow bar being articulable about said tow bar rotation axis;
• a cam coupled with one of said tow bar and said towed vehicle, said cam including a cam surface that at least partially surrounds said tow bar rotation axis;
• and
• a cam follower assembly, including a cam follower contacting said cam surface and a plunger assembly configured to exert a cam force vector along an actuation axis that is imposed on said cam surface, wherein said plunger assembly includes a plunger rod coupled to an extension, said plunger rod extending through an aperture defined by a centering plate of a proximal end of a housing of the cam follower assembly, said extension extending through a centering sleeve disposed proximate a distal end of said housing, said cam follower being disposed at a distal end of said extension,
• wherein said cam follower is configured to follow along said cam surface and exert said cam force vector on said cam for generation of a counter-moment that at least partially counters moments encountered about said tow bar rotation axis during operation of said tow bar.