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:
Apr. 24, 1979
Filed:
Apr. 04, 1978
Angelo Marzoli, Palazzolo Sull'oglio, IT;
The Upjohn Company, Kalamazoo, MI (US);
Abstract
In a ring-type spinning or twisting frame in which the ring stator and the rotor are coupled to one another with rolling members inserted therebetween in grooves formed facing each other in the rotor and the stator, braking means being provided between the stator and the rotor, the improvement is disclosed according to which an annular bracket is provided beneath the annular cage, the seats for the rolling members having appropriately sloping edges, so that when the spinning frame starts its rotation, the annular cage is lifted, whereas the contrary occurs when the spindles are stopped, so that the cage is allowed to fall due to its own weight and the rotor is stopped instantaneously.