Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-11-02
1989-08-22
Levy, Stuart S.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
156506, B31F 506, B65H 2100
Patent
active
048588415
ABSTRACT:
The invention relates to an improved form of shift block assembly for a cassette tape loading machine. The shift block assembly is of the type that comprises first, second and third shift blocks mounted for sliding and rotating motion on a common axis. Each of the shift blocks has a guideway for aligning tape to be spliced and also is provided with means for applying suction to hold a tape in position in the guideway. The three blocks are disposed in tandem along the common axis, and the first and second shift blocks are used to hold the two leaders, while the third shift block is used to hold the tape to be loaded. Means are provided for shifting each block axially along and additional means are provided for rotating each block relative to the other on the axis.
REFERENCES:
patent: 4632327 (1986-12-01), Kreeft et al.
patent: 4682742 (1987-07-01), Woodley et al.
McGrail Richard A.
Powers Stephen J.
Ross William W.
Woodley George M.
duBois Steven M.
King Instrument Corporation
Levy Stuart S.
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