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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 6619435 | Device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation A device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation. The device has a limiting cable guided over rollers in a direction of movement of the elevator car. A braking device which is joined to the elevato... | 09/16/2003 |
| 4869348 | Group control for elevators with immediate allocation of calls of destination A group control for an elevator system, in which it is possible to assign a newly entered floor call to a car for the first time, immediately and finally, includes a computer and a comparator circuit for calculating servicing costs and assigning the call ... | 09/26/1989 |
| 4863006 | Automatic shutoff apparatus for an escalator A pair of light barriers are mounted on a pair of spaced apart balustrade sockets located on opposite sides of an endless step conveyor-type escalator. The light barriers are positioned at the transition of upper and lower transisition arches to an inclin... | 09/05/1989 |
| 4864208 | Actual position signal generator for the position control circuit of an elevator drive An actual position value transmitter for an elevator position control circuit includes a pulse transmitter in the form of a digital tachometer which is driven by way of a cable and a car distance counter responsive to the pulses for generating an actual p... | 09/05/1989 |
| 4844205 | Stopping control for an elevator An elevator system stopping control generates the difference between the actual speed value and a set point speed value on the transition from an unregulated travel phase to the regulated arrival or braking phase and prevents that difference from becoming... | 07/04/1989 |
| 4771865 | System for the remote management of elevator installations A system for remote management includes central management, planning and rationalization of the upkeep of elevator installations. The system comprises a modularly constructed remote management system, which makes possible the management centrally, the ins... | 09/20/1988 |
| 4735294 | Elevator group control for the distribution of traffic at a main floor A group elevator control wherein the calls entered by means of call registering devices at a main floor for desired destination floors are assigned to the next arriving or already present car, and indicated so that no doubts can arise for passengers, whos... | 04/05/1988 |
| 4732238 | Obstacle detection system for automatically controlled elevator doors Capacitively sensitive antennas are located at the closing edges of automatically controlled elevator doors to generate error signals by way of differential amplifiers if capacitively influenced by an obstacle or a disturbance. A door travel detector and ... | 03/22/1988 |
| 4718520 | Group control for elevators A group control assigns elevator cars to floor calls optimized in such a manner, that minimal waiting times result and the elevating capacity is increased. A computing device provided for each elevator calculates at every floor a sum proportional to the t... | 01/12/1988 |
| 4711324 | Service indicating device for elevators An indicating device for which the passengers waiting at a floor can recognize immediately whether the calls entered by them at the floor for desired destination floors have been assigned to an arriving car so that rapid entry decisions can be taken. To t... | 12/08/1987 |
| 4655325 | Method and apparatus for controlling elevators with double cars An elevator control receives car calls for certain floors which are subject to a restriction of operation, but does not prevent the storage of these car calls. The car calls subject to the restriction of operation are only served during the trip in the op... | 04/07/1987 |
| 4582173 | Group control for elevators with double cars A group control for elevators in which the allocations of the individual cars of double cars in an elevator group to stored floor calls can be optimized with respect to time, and newly occurring floor calls can be assigned immediately. A computing device ... | 04/15/1986 |
