Method in the operation of spreader clamps
US8438761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2008 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Oct 2, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F67/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for operating two spreader clamps for receiving and holding in pairs pieces of cloth and for spreading out the pieces of cloth before they are delivered to a conveyor, that includes selecting whether the two spreader clamps first spread a piece of cloth about one of two outer centerlines of the conveyor for small-sized pieces of cloth or about a first centerline for large-sized pieces of cloth, feeding a piece of cloth to the spreader clamps, moving the two spreader clamps so as to be situated in relation to the centerline selected, initiating movement of the spreader clamps to either side of the centerline selected to spread the piece of cloth and ascertaining during the spreading about the centerline selected if the piece of cloth is a large-sized piece or a small-sized piece, wherein if an outer centerline is selected and it is ascertained that a piece is a large-sized piece of cloth, moving the two spreader clamps so that the piece of cloth is spread about the first centerline and if the first centerline is selected and it is ascertained that the piece of cloth is a small-sized piece of cloth, moving the two spreader clamps so that the piece of cloth is spread about on…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.