The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 1990
Filed:
Oct. 07, 1988
Karl-Heinz Mack, Weilheim, DE;
Zinser Textilmaschinen GmbH, , DE;
Abstract
A method and apparatus for exchanging roving bobbins on a ring spinning machine or the like. A temporary storage spindle is provided in a service unit which services the ring spinning machine and a roving cutting and piecing apparatus and a spindle are movable between the temporary storage spindle, the bobbin holder of the spinning machine and a spare bobbin frame of the spinning machine to receive and transfer bobbins thereat to the temporary storage spindle, the bobbin holder or the spare bobbin frame. In one exchange process, the bobbin on the bobbin holder is transferred directly to the spare bobbin frame after the bobbin on the spare bobbin frame has been transferred to the temporary storage spindle. Thereafter, the bobbin on the temporary storage spindle is transferred to the bobbin holder. According to another exchange process, the bobbin on the spare bobbin frame is transferred directly to the bobbin holder after the bobbin on the bobbin holder has been transferred to the temporary storage spindle. Thereafter, the bobbin on the temporary storage spindle is transferred to the spare bobbin frame.