Rotational torque adjustment apparatus, ink ribbon transport...

Details Rotational torque adjustment apparatus, ink ribbon transport... Rotational torque adjustment apparatus, ink ribbon transport...

2006-04-11

2008-12-23

Evanisko, Leslie J (Department: 2854)

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

C400S223000, C242S334500, C242S343000

Reexamination Certificate

active

07467902

ABSTRACT:
A rotational torque adjustment apparatus is used to adjust the rotational torque of a rotational member secured to a rotational shaft for integrally rotating with the rotational shaft. The rotational torque adjustment apparatus includes a friction member for contacting with the rotational member to apply a frictional load to the rotational member, a brake member for holding the frictional member thereon, a pressing member for pressing the friction member held on the brake member with a predetermined pressure against the rotational member, and a guide section for holding the brake member for movement thereon. The brake member is moved in a radial direction of the rotational member along the guide section to vary the rotational torque of the rotational member.

REFERENCES:
patent: 5051011 (1991-09-01), Satoh et al.
patent: 6799913 (2004-10-01), Ono et al.

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