MAITRE-PALONNIER

DOUBLE TREE

Revendications

Claim lst. A self-regulating double tree, constructed as described, having a stationary hammer-strap secured to the double tree and pivoted to the tongue backward of the said double tree, and a tension bar leading from the pivot to the extreme back end a the tongue said bent down over the end thereof, to strengthen the pivot, and with a bracket secured to the front edge of the double tree provided with a curved slot limited in range by closed ends and a collar-bolt with head spanning the slot and secured to the tongue. so that, when one end of the double tree is behind the other end, the leverage of the hindermost end is increased, as specified and shown. 2nd. In a self-regulating double tree constructed with a stationary hammer-strap E with pivot B1 the combination of the tension bar F embracing the said pivot and having its outer end bent over the back end of the tongue A, as shown and described and for the purpose specified. 3rd In a self-regulating double tree, constructed as described, with a bracket C with curved slot D1 secured thereto, and a collar-bolt D secured to the tongue A, the head of said bolt spanning the slot D1 for securing the double tree in a horizontal position, the whole constructed and arranged and operating in combination, substantially as set forth.