公开(公告)号：US3722807A

公开(公告)日：1973-03-27

申请号：US3722807D

申请日：1971-03-01

Applicant: LEESONA CORP

Inventor： SWINEHART R

IPC: B65H54/54 ,  B65H67/04 ,  B65H54/02

CPC classification number: B65H54/54 ,  B65H67/0411 ,  B65H2301/41346 ,  B65H2301/41856 ,  B65H2701/31

Abstract: A winder, such as a Model 959 take-up, manufactured by Leesona Corporation, Warwick, Rhode Island, has a rotary chuck mounted on a winder base and has chuck members resiliently urged into gripping engagement with a package core removably telescoped on the chuck. A lever is pivoted to the winder base and is operated in one direction by a fluid motor to release the chuck members from gripping engagement with the core. A brake member is pivotally connected with the lever in such a manner that operation of the motor in an opposite direction brakes the chuck and maintains the lever out of operating engagement with the chuck. The motor is controlled by a valve system which vents one side of the motor into the other side for positioning both the brake member and the lever out of engagement with the chuck.