Abstract: A clutch for a rotary shaft includes an annular pressure chamber with a sleeve surface engaging a surface to drivingly connect the shaft to the clutch, and further includes a trigger device and a channel system activatable by the trigger device upon a relative angular movement between the shaft and the chamber to release the shaft from the housing. The trigger device has a cam wheel having a constant first radius across a first angular interval and a second, smaller, radius across a second angular interval. The cam wheel is supported on an envelope surface within the first angular interval and rotating in relation to the envelope surface when the shaft rotates in relation to the housing. When a contact point reaches the second angular interval, the cam wheel is displaced to activate said channel system.

Abstract: Disclosed herein is a bladder that may be configured as a supply bladder and as a discharge bladder in a fluid coupler. The bladder may comprise at least one overtube having a lumen in which is positioned a catheter, which may include a fluid passage portion and an inflation portion, wherein the overtube has a first securing edge and a second securing edge, at least one gland nut to be secured to the first securing edge of the overtube, the gland unit may be tightened internally to the first securing edge of the overtube, a cord grip located with the gland unit when the gland nut is secured to the first secured edge, at least one sealing coupler ring to be secured to the second securing edge of the overtube, at least one bladder insert for creating a seal between the overtube and the sealing coupler ring within the catheter, and a plurality of O-rings to be secured inside the sealing coupler ring with a screw unit.

Abstract: A pneumatic expander brake/clutch having a first power transmission member as a drum with an annular friction surface on the outer periphery. Arcuate backing block segments are circumferentially closely spaced and adjacent about the drum friction surface. The backing blocks have brake friction pads on the radially inner surface. An inflatable expander ring surrounds the backing blocks and upon inflation forces the blocks radially inward and the pads against the drum friction surface. Baffles are provided on the end of the backing blocks and extend into the spaces between circumferentially adjacent blocks to form a tortuous path for heat emanating from the drum friction surface in a radially outer direction. The baffles insulate the inflatable expander from heat which permits the drum friction surface to operate at a higher temperature, and power transmission/dissipation without overheating the expander.

Abstract: A constricting clutch brake element (10) is operative to selectively transmit mechanical power between relatively movable rotating members. A plurality of backing plates (38) releasibly engage a plurality of friction linings (34). The friction linings are selectively moved radially to operatively engage annular body (12) and a central rotating member (26). The friction linings are releasibly engaged with corresponding backing plates (38) through interengaging ear portions (52) of the lining and slots (62) of the backing plates.

Abstract: A torque limiter in which an area of a region where an area of a region where an inner face of a circumferentially extending chamber intersects an oil pressure expanding chamber in an extended plane extended toward the oil pressure expanding chamber is larger than a sectional area of an opening of the oil removing hole which is opened to the circumferentially extending chamber.

Abstract: A torque limiter in which an area of a region where an inner face of a circumferentially extending chamber intersects an oil pressure expanding chamber in an extended plane extended toward the oil pressure expanding chamber is larger than a sectional area of an opening of an oil removing hole which is opened to the circumferentially extending chamber.

Abstract: A clutch of hydraulic-pressure type comprising a linearly controlled piston (300) that is movable in a channel in the clutch and that carries a pivotally mounted support leg (208) that is spring biased into axial alignment with the piston, the side of which facing away from the support leg is loaded by the hydraulic pressure. The clutch is annular and co-operates with a shaft shank (1), and the free end of the support leg rests against a support surface carried by the shaft shank (1) upon rotation between the shaft shank (1) and the clutch (4), the support leg is turned away, whereby the piston (300) is displaced and opens a valve through which the hydraulic pressure is evacuated.