Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8072105 | Axial bearing An axial bearing for a high speed open-end spinning rotor mounted without axial thrust in a support disc bearing arrangement has a static magnetic bearing component secured in a bearing housing with at least two axially polarized permanent magnet rings limited by po... | 12/06/2011 |
| 7779618 | Fitting ring for an opening roller of an open-end spinning device Clothing ring (27) for an opening roller (21) of an open-end spinning device (1), comprising teeth (38) which are formed by at least one groove (39) incorporated in the peripheral face of a basic body (45) and running in the... | 08/24/2010 |
| 6955037 | Open-end spinning device An open-end spinning device comprises a spinning rotor (21) rotating in a rotor housing with a spinning insert (24) supported rotatably with respect to the spinning rotor (21) coaxially to the rotor axis (33). The spinning insert (24 | 10/18/2005 |
| 6920746 | Open-end spinning device An open-end spinning device has a spinning rotor (2) with a rotor groove (25) at its greatest inside diameter in which fibers are collected. A yarn shank (27) extending from a yarn withdrawal nozzle to the rotor groove (25) is curved in t... | 07/26/2005 |
| 5959383 | Thrust bearing for an open-end spinning rotor A thrust bearing for an open-end spinning rotor (1) supported by its rotor shaft (2) in the bearing slot of a support-disk bearing arrangement (4). The thrust bearing has a magnetic bearing system (10) or (25) comprising magnetic support elements (12), (1... | 09/28/1999 |
| 5794430 | Fiber conduit plate for an open-end spinning device An open-end spinning device with a forwardly open suctioned rotor housing, a high speed spinning rotor rotatably disposed in the rotor housing, and a fiber conduit plate for closing the forward opening in the rotor housing. The fiber conduit plate has an ... | 08/18/1998 |
