Abstract: A centrifugal impact transmission between a drive shaft (1) with one or more rotors (1) and one or more driven shafts (6) parallel to the drive shaft (1): each rotor (1) or rotor level (1) includes one or more arms (2) joined to the rotor (1) by a joint (4) and with a mass (3) at the free end thereof, which can be disconnected via a clutch. Each driven shaft (6) includes at least one lever (7), joined to the driven shaft (6) via a one-way clutch, and aligned with a rotor (1), the lever (7) having a return mechanism (8). In this way, each arm (2) has at least one lever (7) aligned with it, and the rotation of each rotor (1) produces the consecutive impact of the arms (2) thereof on each lever (7) aligned with the rotor (1).

Abstract: An actuation device includes a frame, a linkage mechanism and a handle mechanism. The handle mechanism includes a handle and a connection link, each having a first end and an opposite second end. The first end of the handle is pivotally connected to the frame. The first end of the connection link is pivotally connected to the handle and the second end of the connection link is pivotally connected to the linkage mechanism. Movement of the second end of the handle rotates the handle about an axis determined by a connection point of the first end of the handle to the frame and results in movement of the connection link in a first direction causing translation of the linkage mechanism in a second direction substantially perpendicular to the first direction to mechanically and electrically connect a power supply to an outside circuit through an opening of the frame.

Abstract: A shape memory alloy step drive mechanism includes at least one shape memory alloy element (1) with a fixed end, the other end being connected to one end of a lever (2). The lever (2) is provided with a pawl (4) which is located to move on the teeth of a ratchet wheel (5) mounted on a main shaft (6) along with the lever (2). A stopper pin (7) is provided which also guides the pawl (4) on the ratchet wheel (5). A bias spring (9) is provided on a mandril on the main shaft (6) for returning the lever (2) to its original position. A detent wheel (8) with at least one detent lever (10) is mounted on the main shaft (6) to provide the detent torque required to hold the main shaft (6) in position when the lever (2) returns to its original position. A pair of support brackets (11) are provided for supporting and holding the various components together in an assembly.

Abstract: The transmission mechanism comprises a lever (12) which can rotate around an eccentric shaft (11) of a rotating disk-crank (10). The lever (12) is guided in its movement by cam means (15a) and acts upon an arm (19) which is attached for joint rotation to an output shaft (3). Advantageously the disk-crank (10) is driven through a connecting rod (8) from another disk-crank (1) which can rotate around a shaft which is different from that of the first disk-crank (10). It doesn't require adjustment or setting up and it has a low cost. The transport device has on the output shaft the wheels for drawing chains with transporting bars provided with clamps for the sheets.

Abstract: A power tool including a machine base, a fixed jaw fixedly secured to the machine base, a movable jaw turned about a pivot on the fixed jaw, a spring supported between the fixed jaw and the movable jaw to force the movable jaw into the closed position on the fixed jaw, a motor mounted within the machine base, a speed reducer, an eccentric shaft coupled to the motor through the speed reducer, and a link reciprocated by the eccentric shaft to turn the movable jaw about the pivot, causing the movable jaw to act against the fixed jaw in processing the workpiece put between the movable jaw and the fixed jaw.

Abstract: Apparatus (10) for repeatedly cutting extruded rubber and plastic material (M) at preselected locations along a length thereof including, a frame (11), a drive shaft (35) mounted on the frame, a drive member (25) effecting a selected speed of rotation of the drive shaft, feed rolls (110) intermittently driven by the drive shaft for controllably advancing the extruded material, and a cutting element (B) reciprocally driven by the drive shaft for repeatedly cutting the extruded material advanced by the feed rolls at the preselected locations.

Abstract: The rotational speed and torque mechanical transducer comprises:(a) a epicyclic gearing presenting a sun gear secured on a main shaft, two planet gears and a planet carrier for carrying the said planet gears, rotatably mounted around the axis of the said main shaft;(b) an active mass connected with each planet gear, whose alternating torques produced by the inertia forces are transmitted to the main shaft, and whose barycenter lies on the axis of rotation of the respective planet gear;(c) coupling means to couple the driving shaft to the said planet carrier for driving the said carrier into swinging rotational movement around its rotational axis;(d) at least a pair of freewheel couplings which provide their locking action in opposite rotational directions, limiting the angular speed of the main shaft, and at least one output shaft coupled, through at least one freewheel coupling, with the main shaft.

Abstract: A rotary perforating apparatus for forming the guide perforations in photographic film, wherein the mechanism which controls the movements of the punch carrier arms comprises a control disc which rotates eccentrically with respect to a film-supporting wheel, and wherein the punch carrier arms are connected to said control disc through control arms which may perform a spacial swinging movement, thereby to provide a mechanism which is little subject to wear, and wherein standard ball bearings and ball joints may be used.