Tape guide means for recording and/or reproducing apparatus and

Details Tape guide means for recording and/or reproducing apparatus and Tape guide means for recording and/or reproducing apparatus and

1981-12-28

1984-02-07

Christian, Leonard D.

Advancing material of indeterminate length

Passive guide

242 76, 242199, B65H 2304, G03B 148

Patent

active

044298234

ABSTRACT:
A tape guide pin for recording and/or reproducing apparatus includes a base body made of non-magnetic material and a surface layer formed on the base body, made of non-magnetic hard material, the surface layer having the surface roughness whose microscopic tips are rounded. A method of manufacturing the tape guide pin for recording and/or reproducing apparatus includes the steps of: forming a base body of non-magnetic material; forming a surface layer of non-magnetic hard material on the base body; subjecting the base body and/or the surface layer to surface treatment for dimensional accuracy of circumferential surface; and fine-finishing for rounding the microscopic tips of the surface roughness formed by the surface treatment for dimensional accuracy.

REFERENCES:
patent: 4168043 (1979-09-01), Shiba
patent: 4313551 (1982-02-01), Umehara

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