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A chicken excrement sweeper comprises a body 1 including a cavity 1-1 and being provided with a couple of handles 2 and 2'; a motor 5 is arranged on the base of the body; a free position 1-2 for arranging a chicken excrement bag is arranged below the body; a circular drawing template device including a plurality of drawing templates 9 is arranged in the cavity 1-1 and comprises two seal chains 8 and 8' which are respectively meshed with gears on two sides of a rotating shaft idler-wheel 6 and a driven idler-wheel 6' and linked by the gear; the drawing templates 9 consist of an iron plate 9-1 and a rubber plate 9-2 and are mounted on chain links of the two seal chains 8 and 8' which are driven by the motor through an idler-wheel; the motor also drives another eccentric wheel 7; a link rod 7-1 is fixedly connected on the eccentric wheel and connected with a scraping spade 10 arranged at an inlet; and a couple of universal wheels 3 and 3' and a bearing wheel 4 are arranged below the body. The chicken excrement sweeper can largely enhance efficiency of sweeping chicken excrement with a better sweeping effect, simple structure and easy manufacturing. The chicken excrement sweeper is applicable to large or small chicken farms.

A motor vehicle transmission having at least two transmission groups and a method for operation of the transmission in which a mechanism is provided for maintaining traction force during gearshifts. A first friction clutch is an intermediate-gear clutch connected to a driveshaft of the motor and to a main transmission shaft which is connected with a transmission output shaft, the second friction clutch is a change-under-load clutch connected to the driveshaft and to a loose wheel of a second gear constant of a splitter group, and the third friction clutch is a change-under-load clutch connected with the driveshaft and with a loose wheel of a first gear constant of the splitter group. A direct connection can be formed in the transmission between the driveshaft and the main transmission shaft by way of the intermediate-gear clutch and the gear constants of the splitter group can be shifted, under load, by the change-under-load clutches.

To facilitate an intuitive operation of an adjustable device of a medical apparatus, a system for the automatic setting of an operating configuration of the portable control module controlling the adjustable device is provided. Different operating configurations regarding the directional control of the movement of the movable device differ are based on the relative spatial position of the adjustable device with respect to the control module. The system includes at least one signal sender unit for sending a signal. The signal sender unit may be arranged on the control module. The system further includes at least two signal converter units for converting and retransmitting or for converting and reflecting the signal. The signal converter units may be arranged on different positions on the device. A signal receiver unit is used for receiving the converted signal, and the receiver unit may be arranged on the control module.