Automated dispenser
US7874509B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Apr 12, 2006 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Mar 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T225/35
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A device for dispensing a rolled web of material having a plurality of laterally-extending, longitudinally-spaced lines of perforation. The device has a frame for supporting the rolled web such that lengths of the web are removed from the roll in a direction of advancement as the roll rotates. An infeed roller pair is rotatably mounted on the frame. The infeed roller pair provides a nip therebetween for receiving the web from the roll and for moving it forward in the direction of advancement. A pair of delivery rollers is rotatably mounted on the frame in spaced relation with the first pair of rollers. The second pair of rollers receives the web from the first roller pair and provides a nip therebetween for moving the web in the direction of advancement. Motor means drives the infeed roller pair and the delivery roller pair. Brake means is affixed to the infeed roller pair for slowing the rotational speed thereof relative to the delivery roller pair whereby sufficient tension is created in a length of web located between said roller pairs to tear the web across one of the lines of perforation. Actuation means selectively actuates the brake means during advancement of the web by the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.