Tabulation rack with spring pin holding

Details Tabulation rack with spring pin holding Tabulation rack with spring pin holding

1980-06-27

1982-09-07

Wright, Jr., Ernest T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

For stopping carriage in tabular position

400293, 4002951, B41J 2104

Patent

active

043481248

ABSTRACT:
A tabulation rack having simple and inexpensive construction. The rack has a set of straight-sided pins (5 or 50) which act as stops. They are held by an elongated main beam (3 or 54) in opposed slots. In one embodiment a pair of coil springs (7) are deformed along their long axis within the area formed by the bridge (25) of beam (3) and the pins (5). In a second embodiment, a single music wire 52 is extended between staggered, round pins 50. Frictional drag holds the pins (5 or 50) in their set and clear positions.

REFERENCES:
patent: 1043262 (1912-11-01), Smith
patent: 2312676 (1943-03-01), Schremp
patent: 2317183 (1943-04-01), Dobson
patent: 2852120 (1958-09-01), Braun et al.
patent: 3279577 (1966-10-01), Menicanti
patent: 3333669 (1967-08-01), Schaefer
patent: 3428159 (1969-02-01), Klingner et al.
patent: 3540565 (1970-11-01), Hanft et al.
patent: 3858706 (1975-01-01), Gottsmann
patent: 3871508 (1975-03-01), Petersson
patent: 4134694 (1979-01-01), Stuiber et al.
IBM Technical Disclosure Bulletin, "Dual-Pitch Tab Rack", Kruspe, vol. 8, No. 5, Oct. 1965, p. 793.

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