Abstract: Switches with integrated overcurrent protection elements are described. The overcurrent protection elements can include a bimetallic structure which is configured to move between a first shape and a second shape in response to heating. The overcurrent protection element can be rotationally coupled to a rotary knob in some embodiments. In other embodiments, the overcurrent protection element can be fixed, and the rotary knob can be connected to one or more rotatable conductive structures within the rotary switch.

Abstract: Switches with integrated overcurrent protection elements are described. The overcurrent protection elements can include a bimetallic structure which is configured to move between a first shape and a second shape in response to heating. The overcurrent protection element can be rotationally coupled to a rotary knob in some embodiments. In other embodiments, the overcurrent protection element can be fixed, and the rotary knob can be connected to one or more rotatable conductive structures within the rotary switch.

Abstract: A vehicle towing apparatus is disclosed, and wherein a frame assembly adapted to be fixed to a truck chassis includes a first pair of linear and transversely opposed guide channels and a separate second pair of linear and transversely opposed guide channels and wherein the second pair of guide channels are inclined more closely to the vertical than the first pair of guide channels when viewed in a side elevation. A foot assembly is also provided which comprises a longitudinally extending beam, with a forward end and rear end, and which has a wheel engaging device mounted too the rear end. A support beam is fixed to the longitudinal beam and extends upwardly and has a first pair of rollers which operatively engages the first pair of opposed guide channels and a second pair of rollers which operatively engages the second pair of guide channels.