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US 2006/0140713 A1Published application
Connection device for tire-forming drum
AssigneeBridgestone Corporation
InventorHiroto Kobayashi
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AssigneeBridgestone Corporation
InventorHiroto Kobayashi
Estimating the term…
A connection device for a tire-building drum significantly improves work efficiency for connection and disconnection of a tire-building drum, with requirements for safety, cost, durability, occupied space, etc. sufficiently satisfied. The device connects a center shaft of a tire-building drum to a drive shaft on the building machine body side, where counter lock portions fitting into each other are provided on shaft ends of both shafts that are brought into contact with each other. One end portion of a tubular member is screwed to a head portion of the drive shaft, and cam rollers rotatable about center axes oriented in the radial direction are provided on an inner peripheral surface of the other end portion. At one end portion of the drum center shaft, there is provided a flange that is pressed by the cam rollers to the drive shaft side when the tubular member is displaced by tightening. Cutout portions are provided in the flange, for preventing the tubular body from interfering the cam rollers before the tightening displacement takes place.
A connection device for a tire-building drum for connecting a center shaft of the tire-building drum to a drive shaft on a building machine body side, wherein, at shaft ends of both the shafts to be brought into contact with each other, there are provided form-locking portions to be fitted with each other, one end of a cylindrical member is disposed by screwing to a head portion of the drive shaft, and a plurality of cam rollers rotatable around the center axis oriented in the radial direction are attached, with an interval in the circumferential direction, on the inner circumferential surface of the other end of the cylindrical member,
A connection device for a drum-building drum for connecting a center shaft of the tire-building drum to a drive shaft on a building machine body side, wherein, at shaft ends of each of both the shafts, there are provided contact flanges and form-locking portions adapted to be fitted with each other, on each of the contact flanges, there is provided an inclined surface having a thickness which decreases gradually radially outwards from the disposed shaft side of the flange, and
Dependencies are inferred from the claim text.