Abstract:
A right-angle multiple-stage reduction unit including a reduction unit box (3), a drive input shaft (4) extending in the said box (3) along a first axis (X) and having axially opposing first and second ends, a first reduction stage (6) with a gear (7) keyed on the drive input shaft in the proximity of its first end, at least a second reduction stage (10, 11) with a drive output shaft extending in the box along a second axis (Y) lying in a plane orthogonal to the first axis and intermediate between the ends of the drive input shaft (4), so that the first reduction stage (6) is located on the opposite side of the plane from the said second end. The drive input shaft is supported in the box between the gear (7) and the plane with a first support positioned behind the gear (7).
Abstract:
A geared transmission (100) comprises a housing case (10), a reduction stage with orthogonal axes (2) and a reduction stage with parallel axes (3), in which the housing case is made as a single body and comprises at least five faces (11-15), each of the faces being orthogonal to the other faces adjacent to it, and in which the reduction stages comprise at least an input shaft and an output shaft (110, 120, 230, 320). Each of the faces has at least one through opening (11a, 12a, 12b, 13a, 13b, 14a, 15a, 15b) to allow the passage and/or the support of the shafts of the reduction stages.
Abstract:
In a speed reduction unit adapted for attachment to a load-bearing structure (1) of a consumer through its casing (4), and being provided with bearings (17, 18) for supporting the output shaft (14) as well as the consumer itself, the casing (4) is secured on the load-bearing structure (1) through an intervening swing mount (20; 30) making for easier self-alignment of the consumer bearing points.
Abstract:
In a right-angle gear reduction unit, a drive input shaft (3) is arranged to protrude out of the reduction unit case (2) with both of its opposite axial ends (3a, b), thereby one of said ends can be used for coupling to following reduction units and/or auxialiary devices.
Abstract:
An epicyclic reduction gear unit comprises a case (2) and a planet carrier (12) rigidly connected to a low-speed output shaft (16). The output shaft (16) is supported by a bearing (17) located between the planet carrier (12) and the case (2). In this way the axial length of the gear unit can be significantly reduced.
Abstract:
Speed reducer comprising a housing box within which a first reduction stage is located, the first reduction stage including a primary motion input shaft having an end protruding from the housing box, a torque limiter connected to the primary motion input shaft at its protruding end and located externally to the housing box, a motion output shaft connected to the first reduction stage downstream of the torque limiter, a secondary synchronisation shaft (212) driven from connected between the first reduction stage downstream of the torque limiter and the motion output shaft, upstream thereof, so that, even after the intervention of the torque limiter (400), synchrony is maintained between the motion output shaft (207) and the auxiliary synchronisation shaft.
Abstract:
Gear transmission with a casing (2) comprising at least a final stage (4) having cylindrical gears, this final stage including a final gear (14) and a coupling member (16) between the final gear (14) and a user (15), in which the coupling member (16) is mainly contained within the dimensions of the casing (2) and is directly supported on the casing (2) supporting the final gear (14).
Abstract:
A right-angle multiple-stage reduction unit including a reduction unit box (3), a drive input shaft (4) extending in the said box (3) along a first axis (X) and having axially opposing first and second ends, a first reduction stage (6) with a gear (7) keyed on the drive input shaft in the proximity of its first end, at least a second reduction stage (10, 11) with a drive output shaft extending in the box along a second axis (Y) lying in a plane orthogonal to the first axis and intermediate between the ends of the drive input shaft (4), so that the first reduction stage (6) is located on the opposite side of the plane from the said second end. The drive input shaft is supported in the box between the gear (7) and the plane with a first support positioned behind the gear (7).
Abstract:
A speed reducer comprises at least a first (3), a second (4), and a third reduction stage (5), arranged in cascade, the first stage (3) comprising a pair of gears (6, 7) with perpendicular axes, the second stage (4) comprising an epicyclic reduction unit with a sun gear (10) and respective planetary gears (11) kinematically connected thereto, the third stage comprising a pair of gears (15, 16) with parallel axes, the drive-input shaft (9) of the first stage (3) and the drive-output shaft (17) of the third stage (5) constituting the drive-input and drive-output shafts of the reducer, respectively, and having respective perpendicular axes. The drive-input shaft (14) of the third stage (5) is hollow and houses coaxially the drive-input shaft (8) of the second, epicyclic reduction stage (4); the first reduction stage comprises a bevelgear/pinion pair (6, 7), the bevel gear (6) being fixed firmly for rotation with the drive-input shaft (8) of the second stage, at the end axially remote from the position of mounting of the second reduction stage, the bevel gear (6) being supported rotatably in the reducer at a pair of support points. Bearing-type support means (18) are provided at one of the support points, the bevel gear (6) being supported at the other support point by the self-centring supporting effect produced on the sun gear (10) by the epicyclic reduction unit, the sun gear (10) being restrained coaxially on the drive-input shaft (8) of the second stage, at the end axially remote from the position of mounting of the bevel gear (6).
Abstract:
The method comprises the steps of providing a device (2) for selectively enabling/disabling a radio-television receiver (1) to receive radio-television programmes according to a predetermined selection which in turn is arranged on a substrate in a form remote from each device (2), setting the selection by transferring it, with the substrate on which it is stored, into the enabling/disabling device, and making the operation of the radio-television receiver subservient to the operative control of the enabling/disabling device.