Tractor-Mounted Loader (Patent No: 429239)

Inventor: Watt, Alexander

Location: Calgary

Comments: N/A

Description:
CLAIM

Having regard to the foregoing disclosure, the patent of which this specification forms part confers subject to the conditions prescribed in the Patent Act, 1935, the exclusive right, privilege and liberty of making, constructing, using and vending to others to be used, the invention as defined in claims submitted by the patentee as follows:-


1. A mobile loader of the type described mounted on and manipulated by and from a tractor, and. comprising in combination, trackless overhead-travelling radially operable side booms, a shovel type bucket trunnion-mounted between the outboard, ends of said. booms, an adjustable stop for levelling said bucket, longitudinal bearer members attached to the chassis of said tractor for supporting the loader members, plates at too he d. to said bearer members and. bearing on the rear axle of the tractor for auxiliary support of said booms, a transversely disposed pivot axle on tractor chassis pivotally supporting said booms~ pivotally mounted compressed oil operated cylinder piston, and piston rod units for raising and lowering said booms, and side frame supported on said transverse pivot axle and attached to said bearer members for pivot support of said boom operating cylinder units.

2. A tractor-mounted loading device of the type described, operated by and from the tractor, comprising pivoted overhead travelling radially operable side booms, a shovel type bucket trunnion-mounted between outboard ends of said booms to discharge in rear of said tractor, frame and pivotal means for supporting said side booms on the tractor chassis and the rear axle of the tractor, forwardly disposed pivotal connecting means between tractor wheel frames and tractor body for maintain leve1 adjustment of loader device with respect to said tractor wheel frames, pivotally mounted cylinder, piston, and piston rod units connected to said booms for raising and lowering same by compressed oil operation, frames to support said operational units and attached to tractor chassis, auxiliary pivotally mounted compressed oil operated cylinder, piston, and piston rod units to assist mechanically in raising said boom during the initial weight lifting stage, and frames attached to the tractor chassis to support said auxiliary oil operated units.

3. A mobile combined excavator-loader of the type set forth mounted on and manipulated by and from a tractor, comprising in combination longitudinal bearer members attached to the chassis of said tractor and supporting a transversely disposed pivot axle for supporting the loader members, radially operable side booms pivoted on said axle for overhead travel, a shovel type bucket trunnion-mounted between the outboard ends of said booms, plates attached to said longitudinal bearer members and bearing on the rear axle of the tractor and connected with said pivot axle to form supports for said booms, side frames supported on said transverse pivot axle and also attached to said bearer members for pivot support of compressed oil operating units for raising and lowering said booms for rear dumping operations, pivotally mounted pump-compressed oil operated cylinders, with piston rods bearably attached to said booms for raising and lowering purpose, auxiliary pivotally mounted compressed oil operated cylinders, with piston rods hooked under said booms to assist in raising said booms, and frames attached to the tractor chassis to support said auxiliary oil operated cylinders.