Garland twisting machines or apparatus |
|||||||
| 申请号 | US3584449D | 申请日 | 1969-06-19 | 公开(公告)号 | US3584449A | 公开(公告)日 | 1971-06-15 |
| 申请人 | GEOFFREY POLLARD; | 发明人 | POLLARD GEOFFREY; | ||||
| 摘要 | The invention resides in a machine for the manufacture more particularly of decorative twisted garlands, and broadly comprises a pair of oppositely moving rotary chucks, cutting means carried by one of said chucks, and means for operating said chucks in timed cyclic relationship whereby a web is drawn continuously from a supply means, and is twisted, by an alternate gripping and releasing of same by the oppositely moving chucks and is severed by the cutter each time said chucks reach distal positions. | ||||||
| 权利要求 | 1. Apparatus for twisting and cutting to length an elongated web, comprising web supply means, a first rotary chuck, a second rotary chuck in opposed alignment with said first rotary chuck, means for reciprocating said chucks simultaneously towards and away from each other along guide means, cutting means carried by said first rotary chuck, and means for operating said rotary chucks and cutter in timed cyclic relationship whereby a web drawn continuously from the supply means by an alternative gripping and releasing of said web by the oppositely moving rotary chucks, is formed with a twist and a length severed therefrom by the cutter each time said chucks approach distal positions. 2. Apparatus, as claimed in claim 1, wherein said rotary chucks are mounted by carrier means on a guide rail and are reciprocated towards and away from each other by means of an endless chain driven by a reversing motor, one of said rotary chucks being connected to the upper run of said chain and the other rotary chuck to the lower run of said chain. 3. Apparatus, as claimed in claim 1 wherein said rotary chucks are driven by electric motors mounted on their carrier means. 4. Apparatus, as claimed in claim 2 wherein timed operation of said rotary chucks is effected by limit switches positioned for operation by the carriers of said chucks. 5. Apparatus, as claimed in claim 1, wherein a plurality of rotary chucks are provided on each carrier whereby a plurality of twisted web lengths may be produced simultaneously. 6. Apparatus, as claimed in claim 1, wherein the length of the travel path of said rotary chucks is adjustable. |
||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈