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AssigneeHowa Machinery, Ltd.
InventorsYutaka Tanaka, Ryoji Asakawa, Susumu Suzuki
Estimating the term…
Regarding an independently driven type spindle in a spinning machine, when a yarn breakage is occurred in a spindle 10, a brake operating member 35 of the spindle 10 is moved toward a spindle shaft 13. During the movement of the brake operating member 35, control surfaces 49 of the brake operating member 35 cause the stop/restart switches 46 and 47 to be made OFF between the electric driving motor 20 and alternate current lines S and T, thereby causing the motor 20 to be rotated under its own momentum. Then, braking parts 34 of the brake operating member 35 is pressed to the outer peripheral surface of the spindle shaft 13, thereby executing a mechanical braking operation. After the withdrawal of an end of broken yarn, the brake operating member 35 is released, so that a force of the springs 41 causes the brake operating member 35 to be detached from the spindle shaft 13, thereby canceling the braking operation. The movement of the brake operating member 35 also causes the stop/restart switches 46 and 47 to be made ON, thereby restarting the drive motor 20.
An apparatus for stopping an independently driven spindle in a spinning machine for yarn comprising a plurality of spindles, each of the plurality of spindles having a spindle shaft and an independent electric drive motor fed by an alternating current power source line, said apparatus including a braking device for executing a mechanical braking operation on the spindle shaft of any one of said plurality of spindles at which a yarn breakage has occurred, and a stop/restart switch for switching on or off the alternating current power source line feeding the drive motor of the one spindle at which the yarn breakage has occurred, wherein said braking device and said stop/restart switch are associated with each other so that operation of one of said braking device and said stop/restart switch operates the other of said braking device and said stop/restart switch.
An apparatus for stopping an independently driven spindle in a spinning machine for yarn comprising a plurality of spindles, each of the plurality of spindles having a spindle shaft and an independent electric drive motor fed by an alternating current power source line, said apparatus including a braking device for executing a mechanical braking operation on the spindle shaft of any one of said plurality of spindles at which a yarn breakage has occurred, and a stop/restart switch for switching on or off the alternating current power source line feeding the drive motor of the one spindle at which the yarn breakage has occurred, wherein the construction of said braking device is such that braking is executed by imparting a frictional resistance force transversely to the spindle shaft, and wherein said braking device and said stop/restart switch are associated with each other so that operation of one of said braking device and said stop/restart switch operates the other of said braking device and said stop/restart switch.
A single drive spindle used for a spinning frame, comprising a housing, a drive motor housed in said housing for driving a spindle shaft of the spindle, a braking device for mechanically braking the spindle shaft and a stop/start switch for opening/closing the connection between the drive motor and an alternating current power source line, wherein said braking device and said stop/restart switch are associated with each other so that operation of one of said braking device and said stop/restart switch operates the other of said braking device and said stop/restart switch.
A single drive spindle used for a spinning frame, comprising a housing, a drive motor housed in said housing for driving a spindle shaft of the spindle, a braking device for mechanically braking the spindle shaft and a stop/start switch for opening/closing the connection between the drive motor and an alternating current power source line, wherein the braking device and the stop/start switch are so associated with each other that, by actuating the braking device, the stop/start switch disconnects the alternating current power source line from the drive motor and the spindle is braked, and, by releasing the braking action of the braking device, the stop/start switch connects the alternating current power source line with the drive motor.
A single drive spindle used for a spinning frame, comprising a housing, a drive motor housed in said housing for driving a spindle shaft of the spindle, a braking device for mechanically braking the spindle shaft and a stop/start switch for opening/closing the connection between the drive motor and an alternating current power source line, wherein the braking device and the stop/start switch are so associated with each other that, by actuating the braking device, the stop/start switch disconnects the alternating current power source line from the drive motor and the spindle is braked, the disconnection of the alternating current power source line being held by the stop/start switch even if the braking action of the braking device is released, and thereafter, by returning the braking device to a waiting position, the stop/start switch connects the alternating current power source line with the drive motor.
Dependencies are inferred from the claim text.