Patent ID: 9220188
Filing Date: 2015-12-29
Classification: A01B,A01D

Abstract:
1. A towable implement comprising: (a) a cart comprising a plurality of wheels and a towing bar; (b) at least one folding arm pivotally supported by the cart, each folding arm being configured to widen into an operative working position and narrow into an implement transport position, each folding arm having a free arm end, the free arm end having a folding arm latch location associated therewith; (c) at least one respective implement unit operatively mounted to each folding arm; (d) at least one extension arm, the at least one extension arm being independently and pivotably mounted on the cart, the at least one extension arm comprising at least one extension arm end; (e) at least one latch mechanism carried by a corresponding said extension arm and thereby operatively, independently, and movably mounted relative to the cart, the at least one latch mechanism being selectably, releasably connected to a corresponding folding arm at a corresponding folding arm latch location of a given folding arm; and (f) a given biasing suspension system for each said extension arm, the given biasing suspension system being attached to the cart and the corresponding said extension arm, the biasing suspension system being configured to the extension arm in a manner so as to favor alignment relative to a corresponding folding arm latch location.