发明授权
- 专利标题: Gripper clamps for conveying paper sheet products
- 专利标题(中): 用于输送纸张产品的夹爪
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申请号: US333428申请日: 1981-12-22
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公开(公告)号: US4448408A公开(公告)日: 1984-05-15
- 发明人: Hans G. Faltin
- 申请人: Hans G. Faltin
- 申请人地址: PA York
- 专利权人: Advance Enterprises, Inc.
- 当前专利权人: Advance Enterprises, Inc.
- 当前专利权人地址: PA York
- 主分类号: B65H5/14
- IPC分类号: B65H5/14 ; B65H29/04 ; B65H29/66 ; B65G47/74
摘要:
A gripper tractor assembly is provided for selectively grasping, conveying and releasing newspapers and like products in a high speed transit path between processing stations. Its structure comprises two jaws pivotable about a common pivot pin for movement between open and closed jaw positions by means of a cammed lever assembly and equipped with rollers for engaging a transport tract defining its travel path. Alignment of the products is assured by a pair of separated stops against which the paper is positioned and gripping means centered therebetween. The papers are gripped by a rubber-like O-ring mounted on an arm extending from the gripping edge of one jaw as the edge is abutted against the stops in self-aligning fashion. The tractors are positioned at precise spacing along a link chain for movement therewith. Removable attachment means for the carriage includes an L-shaped chain link, which permits removable bolt coupling of the carriages to the link chain for easy maintenance and installation. To avoid stresses tending to release the clamping action of the jaw or to misalign paper products during transport, the jaws hold the papers against a platform surface holding the papers at an angle to the transport axis in natural position for shingling to avoid bending or stresses.
公开/授权文献
- US5471749A Non-slip sewing ruler 公开/授权日:1995-12-05