HANDLE-OPERATED COMBINED MACHINE Russian patent published in 1995 - IPC

FIELD: agriculture mechanical engineering. SUBSTANCE: combined machine comprises handle, drive made as power tie and pedal, wheels, and device for locking wheels. The power tie consists of two links. Each link is constructed as three hollow rods pivotally connected with each other and shoe from the one side and with the fourth rod having a stop from the other side. A rope is received in the rods. The rope connects the pedal positioned inside the shoe with the fourth rod through rollers mounted inside the pivoted connections. The fourth rod is constructed as a rack with stop and rack-ratchet positioned at the end of the rack. A spring is interposed between two stops of the fourth rod. In addition, the handle is coupled with two shafts having grooves. The wheels and unit for locking the wheels are mounted on the outer sides of the shafts. Stands are mounted on the inner sides of the shafts. A shaft is set in bearings at the ends of the stands. Four disks interconnected in pairs through pins with bushings are arranged at the ends of the shaft. Spiders are mounted at the middle of the shaft. EFFECT: enhanced efficiency. 19 dwg