Bi-directional pin feed apparatus
US4235360A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1978 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Jul 31, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J11/28
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pin feed apparatus is provided for a printing machine of the type including a main frame and a printing station. The pin feed apparatus is capable of feeding marginally punched record material past the printing station and includes a shaft rotatably mounted to the main frame, a platen mounted about the shaft for rotation therewith, and a pin wheel feeding device for feeding marginally punched record material disposed about the platen past the printing station. The pin wheel feeding device includes a housing coupled to the shaft adjacent an end of the platen for rotation therewith. The housing has a plurality of openings formed therein and the pin wheel feeding device further includes a cam member fixed in position relative to the housing and a plurality of pins disposed within the housing in respective alignment with the plurality of openings. The pins cooperate with the cam member during rotation of the housing to project from their respective openings for a predetermined segment of their path of circumferential movement. The pin feed apparatus further includes guide means connected to the frame and including a pair of guide members positioned on either side of the path of circu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.