Pantocam web threading apparatus

Details Pantocam web threading apparatus Pantocam web threading apparatus

1981-10-26

1983-08-23

Levy, Stuart S.

Advancing material of indeterminate length

Threading device

With means to pull lead-end

226 91, 242195, G03B 104, G03B 156

Patent

active

043999360

ABSTRACT:
An automatic threading apparatus using a pantocam for a magnetic tape transport is disclosed. A leader block attached to the free end of the tape in a cartridge is connected to a pick-up pin attached to one end of a broken arm linkage. The broken arm linkage has its second end fastened to a rotatable shaft. The extension of the broken arm linkage is controlled by a follower link which includes a bearing that follows a cam groove. Rotating the broken arm linkage causes the tape from the cartridge to follow the tape path, such as a cucumvoluted path, in a sweeping motion past air bearing guides and a transducer into a take-up reel. The threading pin remains in contact with the leader block which forms a smooth surface for the tape with the take-up reel.

REFERENCES:
patent: 1979195 (1934-10-01), Govare et al.
patent: 3149592 (1964-09-01), Casas-Robert
patent: 3227387 (1966-01-01), Laa et al.
patent: 3414269 (1968-12-01), Appel
patent: 4334656 (1982-06-01), Crawford et al.
patent: 4335858 (1982-06-01), Cranna

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