Abstract:
The invention relates to an actuator, in particular having an electromechanical drive and a housing (1), wherein the driving torque provided by an electric motor (2) is transmitted by means of gear train (3) to between two outputs of the actuator that are connected to the two parts (6.1, 6.2) of a stabilizer, and the gear train (3) is designed in the form of an eccentric gear train, the drive shaft (4, 5) of which can be driven by means of the electric motor (2), wherein an overall eccentric, on the circumference of which a drive gear (3.4) having a first outer profile (8) and a second outer profile (12) different therefrom is arranged, can be driven by means of the drive shaft (4, 5), wherein in the operating state of the actuator the first outer profile (8) of the drive gear (3.4) is operatively connected to a first inner profile (10) of a first output (11) and the second outer profile (12) of the drive gear (3.4) is operatively connected to a second inner profile (14) of a second output (15), and the operative connection can be eliminated by changing the eccentricity of the eccentric and thus both outputs (11, 15) can be rotated freely relative to each other (release).
Abstract:
The cable system for use in abseiling, such as in a rescue operation, has an air bleed channel (10,17), for at least one housing chamber, opening to the outer side of the housing (9) or into a unit (28) fixed to the housing. After the air has been fully evacuated from the chambers, the opening is sealed by a closing screw (12). The sealing is a sealing ring lip assembly (34), with a rectangular cross section, with a tight fit in the drilling at the end wall (22). A sealing body with an air gap is formed with the shaft (4), with a sealing lip pressed against the shaft (4) which, in the original conditions, ends at a smaller dia. than the inner dia. of the sealing body. Pref. the ring seal (34) is of polyurethane. USE/ADVANTAGE - The unit carries the cable to be clipped to a harness for abseiling in rescue and similar operations. The structure gives a braked action on the cable unwinding, without a free fall before the braking system comes into play.
Abstract:
In the housing front walls is mounted a threaded spindle, whose protruding ends carry each a cable drum, to which is allocated a freely rotating drum protection (2,15) with an aperture for the cable. The cables are wound on the drums in opposite directions such that winding on one drum results in unwinding from the other one. An axially shiftable piston is in screw connection with the threaded spindle and divides the cylindrical housing into two chambers. To each drum protection is allocated a brake (11,18), with controls (10,17) setting the drum (3,14) with wound cable out of operation, at least temporarily and to swivel this drum into starting position with the cable pointing downwards. ADVANTAGE - Prevention of the cable 'whipping' and securing drum protection in preset starting position.