A nursing bed for sitting excretion comprises a strength saving transmission device arranged inside the bed frame; a bed board device arranged above the strength saving transmission device; an excretion device arranged between the bed board device and the strength saving transmission device; the strength saving transmission device drives a driving mechanism by a power output shaft, and the driving mechanism drives a first elevation rod and a second elevation rod, the first elevation rod drives the back moveable frame to be leaned, the second elevation drives the leg moveable frame to be lowering; The present invention uses the law of the lever to achieve providing a device with strength saving feature, and further achieve the effects of allowing the patient excreting with sitting posture to reduce the discomfort and increase the convenience, and achieve self-caring.

Gear for a flapping wing aircraft, having a gearwheel support, on which a gearwheel is mounted so as to be rotatably movable about a gearwheel axis, which gearwheel is connected in a rotationally fixed manner to a crankshaft, which has a central section extending coaxially to the gearwheel axis and end regions adjoining the central section on both sides, the end regions each delimiting an angle between 0 degrees and 90 degrees with the central section and engage in a guide slot of an associated joint part which is mounted pivotably movable about a pivot axis on a joint support which is connected to the gearwheel support and which is mounted pivotably movable about a respective support axis on the gearwheel support wherein the joint supports are connected to a coupling strut and wherein an actuator, which is motion-coupled to the coupling strut, is arranged on the gearwheel support.

Gear for a flapping wing aircraft, having a gearwheel support, on which a gearwheel is mounted so as to be rotatably movable about a gearwheel axis, which gearwheel is connected in a rotationally fixed manner to a crankshaft, which has a central section extending coaxially to the gearwheel axis and end regions adjoining the central section on both sides, the end regions each delimiting an angle between 0 degrees and 90 degrees with the central section and engage in a guide slot of an associated joint part which is mounted pivotably movable about a pivot axis on a joint support which is connected to the gearwheel support and which is mounted pivotably movable about a respective support axis on the gearwheel support wherein the joint supports are connected to a coupling strut and wherein an actuator, which is motion-coupled to the coupling strut, is arranged on the gearwheel support.

A pair of cylinders (2, 5) are arranged in parallel at the two sides of a crankshaft (8). The cylinders (2, 5) are respectively provided with pairs of pistons (3, 4, 6, 7). The crankshaft (8) has a pair of crankpins (12, 13). The axes of these crankpins (12, 13) are slanted with respect to the axis of the crankshaft (8) in opposite directions. The crankpins (12, 13) have the rocker members (14, 15) attached to them to be able to turn. The tip ends of the arms (16) of the rocker member (14, 15) are connected to the connecting rods (11) of the corresponding pistons (3, 4, 6, 7). If the pistons (3, 4, 6, 7) reciprocate the rocker members (14, 15) engage in swinging motion and the crankshaft (8) rotates.

Disclosed is a hand-held electric tool, in which a main shaft (1) swings back and forth around an axis (11) to drive accessories (9) of the tool to carry out various types of operations. A swing device is provided with an eccentric element (41) capable of reducing the shock caused to a shell (7) by a connecting rod component (3). Another shell (6) is provided with a valve device (5) used for adjusting the flow of air current in different air ducts. The accessories (9) of the tool can be cooled or cleaned through the air current in one of the air ducts. The main shaft (1) is provided with an elastic support (2) used for balancing the load when an electrical motor (8) is operating. The elastic support (2) can replace a bearing in supporting the main shaft (1) swinging back and forth around the axis (11).

Disclosed is a hand-held electric tool, in which a main shaft (1) swings back and forth around an axis (11) to drive accessories (9) of the tool to carry out various types of operations. A swing device is provided with an eccentric element (41) capable of reducing the shock caused to a shell (7) by a connecting rod component (3). Another shell (6) is provided with a valve device (5) used for adjusting the flow of air current in different air ducts. The accessories (9) of the tool can be cooled or cleaned through the air current in one of the air ducts. The main shaft (1) is provided with an elastic support (2) used for balancing the load when an electrical motor (8) is operating. The elastic support (2) can replace a bearing in supporting the main shaft (1) swinging back and forth around the axis (11).

Aspects of the disclosure relate to a conical-shaped articulated member. The conical-shaped articulated member includes a conical-shaped structure including an inner surface and an outer surface. The conical-shaped articulated member further includes a plurality of rotary actuation units disposed along a length of the conical-shaped structure, where at least two rotary actuation units of the plurality of rotary actuation units are coupled together. The plurality of rotary actuation units are configured to perform one or more motions.

A reconfigurable motion generator and control system for multi-phase motion generation. Reconfigurable motion generators are a new class of mechanical devices that are designed for a specific part family and their associated motion generation tasks. The reconfigurable motion generator may utilize revolute joints for link length and pivot adjustment to achieve different configurations from the same set of links. Due to the nature of adjustment of the mechanism this methodology may be used for different types of motion generation tasks such as (a) common start position, (b) common end position, (c) common intermediate position, and (d) distinct motion generation tasks with no common positions. This technique can be applied towards the synthesis of reconfigurable motion generators for use in many planar or spherical applications involving multi-phase function, path, and motion generation tasks.

A reconfigurable motion generator and control system for multi-phase motion generation. Reconfigurable motion generators are a new class of mechanical devices that are designed for a specific part family and their associated motion generation tasks. The reconfigurable motion generator may utilize revolute joints for link length and pivot adjustment to achieve different configurations from the same set of links. Due to the nature of adjustment of the mechanism this methodology may be used for different types of motion generation tasks such as (a) common start position, (b) common end position, (c) common intermediate position, and (d) distinct motion generation tasks with no common positions. This technique can be applied towards the synthesis of reconfigurable motion generators for use in many planar or spherical applications involving multi-phase function, path, and motion generation tasks.

Disclosed is a hand-held electric tool, in which a main shaft (1) swings back and forth around an axis (11) to drive accessories (9) of the tool to carry out various types of operations. A swing device is provided with an eccentric element (41) capable of reducing the shock caused to a shell (7) by a connecting rod component (3). Another shell (6) is provided with a valve device (5) used for adjusting the flow of air current in different air ducts. The accessories (9) of the tool can be cooled or cleaned through the air current in one of the air ducts. The main shaft (1) is provided with an elastic support (2) used for balancing the load when an electrical motor (8) is operating. The elastic support (2) can replace a bearing in supporting the main shaft (1) swinging back and forth around the axis (11).