Cartridge for tape-, ribbon-, or filament-like information stora

Details Cartridge for tape-, ribbon-, or filament-like information stora Cartridge for tape-, ribbon-, or filament-like information stora

1976-12-15

1978-09-19

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

352156, G03B 104, G11B 1532

Patent

active

041148320

ABSTRACT:
A cartridge for an information carrier (4) comprises a housing (1), openings in the housing for access to the information carrier, flaps (6,6a) covering the opening, a shaft (2) fastened to the housing, and two reels (3,3a) rotating around the shaft, with the information carrier being guided between the two reels. The cartridge comprises at least a spring differential compensating drive with two spring mechanisms of constant torque (10,10a) which continuously create oppositely directed torques to hold the information carrier in continuous tension. Each spring mechanism comprises a supply roll (9,9a), a working roll (8,8a) and a pre-bent spring tape (10,10a). The working rolls rotate around shaft (2) and are connected to the reels. The rolls of the spring mechanisms are mounted onto the reels and the supply rolls of the springs are arranged on a common support (7) which is loosely rotatable with the working rolls and the reels about the shaft. The flaps have also the function of gripping arms for the tensioned information carrier. They have a depression (13) and a hook (14) in the apparatus is engageable with the depression.

REFERENCES:
patent: 2996264 (1961-08-01), Bygdnes
patent: 3252669 (1966-05-01), Geri
patent: 3716205 (1973-02-01), Geuder
patent: 3848265 (1974-11-01), Biery et al.

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