Abstract: The present invention relates to a communication station (MT; FIGS. 1, 2; FIGS. 3, 4) including a power supply unit (6, 6′, 6″), a core unit (1) connectable to the power supply unit (6, 6′, 6″) and constituted by a mechanically rigid assembly (9-14, 15-1, 15-2, 16-20) of all other electrical units of the communication station except for the power supply unit, and a shell unit (2-6) which houses the core unit (1) and comprises no electrical units of ther communication station. Front and back housings of the shell unit can be exchanged easily, since no electrical connections are necessary to the core unit during the exchange. Thus, differently shaped communication stations can be easily achieved from a variety of differently shaped housings.

Abstract: A hinge mechanism in provided with a first hinge portion, a second hinge portion, and a third hinge portion coupled to said first hinge portion. The third hinge portion includes a first end and a second end. A first axle is coupled to the first end of the third hinge portion. A second axle is coupled and locked to the second end of the third hinge portion. A compressible resilient device is abutted to the second axle. The second hinge portion is coupled to the third hinge portion via the first axle and the second axle. The second axle comprises an engaging member and the third hinge portion comprises a groove, wherein the engaging member mates with the groove.

Abstract: The invention presents a housing for appliances in the field of electrical datacommunication which is protected from outside interference in that it is provided with a part (13, 15) shaped from metal plating on the inside which is fixedly connected to a layer of thermoplastic material which forms the outer shell (12, 14) of the housing.

Abstract: To provide for controlled tape tension during pull-out of tape (11) from a cassette into a preliminary pulled-out position, placement of the tape in a transducing path (11a) and subsequent operation of the tape in the transducing path, two tape loading elements (21,22) are movably located on a support (65a) to engage behind the tape (11) in the cassette (12) and move the tape out of the cassette and towards the transducing path. The tape loading elements, for example in form of hooked levers (FIG. 3), are driven by a motor, to move the tape loading elements from a rest position into a position where the tape is out of the cassette and, later, placed in said transducing path.

Abstract: To prevent distortion of a cassette housing, and specifically of the top or plan surface (T) thereof upon engagement of the cassette housing with drive rollers, a drive shaft (34) extends transversely across the housing and carries a plurality of pairs of drive rollers (50,51; 52,53; 54,55), of increasing diameters starting from a central axis of symmetry (X--X), the respective pairs of rollers being spaced from each other by a distance which is just slightly smaller than the widths dimension of the respective cassette of the set to be introduced therein. A motor (35) is coupled to the shaft to rotate the shaft, for insertion, or ejecting movement.

Abstract: To permit only centered insertion of variously sized cassettes (SML) of a set of cassettes into an opening leading into an insertion well of a tape transducer housing (H), cover flaps (1,3,7) are located across the opening, the cover flaps being positioned symmetrically with respect to a central axis of symmetry (XX) of the insertion path. One of the flaps, corresponding in size to the smallest one of the cassettes, closes off the path for the smallest cassette. The next flap is subdivided into two flap portions located, symetrically, adjacent the center flap, and cross-connected by a cross-connecting shaft or strap (3c,63c). Adjacent thereto are outer flap portions (7a,7b). The respective flap portions are locked in position by releasable locks (4) engageable by the leading edge of the respective cassettes. The locks are located adjacent the outer edges of the respective flap portions. Only if both appropriately sized flap portions are released from the locks, can the openings be completely uncovered.

Abstract: To provide for conjoint movement of reel tables (1,2) on which the centers of winding reels of cassettes having different reel spacing, for example from a set of cassettes, can be positioned, the reel tables are located on respective carriages (5,25) operable in a common plane along guide reels or rods (3,4; 23,24), and commonly driven from a single motor (13). The motor 13 is in engagement, via bevel gears coupled to the shaft, with two spindles (7,27), engaged by spindle nuts which are coupled to the respective carriages, so that, upon rotation of the motor, both of the reel tables will move in a common plane and will shift proportionately along the guide tracks or rods, thereby moving conjointly, and proportionately with respect to said axis of symmetry.

Abstract: Apparatus for overload protection of precision or analysis scales having a parallel-guided load support with limit stops to limit the range of movement thereof, comprises an auxiliary parallel guide connection between the weighing pan and load support, and resiliently yieldable means connected between the weighing pan and load support to yield under excessive or improperly placed loads and thus protect the scale mechanism. The resiliently yieldable means may comprise the auxiliary parallel guide or may comprise a separate means.

Abstract: An overload protection device for a top pan precision scale having a weighing pan support and a support plate carried by a load support mounted for limited movement and connected to an indicator, includes a spring engaged between the weighing pan support and the support plate whereby the weighing pan support is resiliently coupled to the load support, and a plurality of overlapping elements carried by the weighing pan support and extending beyond the outer peripheral edge of the support plate in close proximity thereto so that the weighing pan support and support plate are held in assembled relationship against the bias of the spring by the overlapping elements at the outer peripheral edge of the support plate, whereby upon eccentric loading of the scale, the pivot point of the weighing pan support is extended to the side of the weighing pan support opposite the load, and the lever translation thus effected results in a lower load on the load support than the highest available load.