Roll shaft, recording medium supply apparatus and recording...

Details Roll shaft, recording medium supply apparatus and recording... Roll shaft, recording medium supply apparatus and recording...

2005-06-28

2005-06-28

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Convolute winding of material

With particular drive

C242S394100

Reexamination Certificate

active

06910655

ABSTRACT:
A roll shaft comprises: a latching portion which is mounted outside of one end of a roll shaft body and latched to the bearing portion of the latching portion; a one-way connection portion which is mounted inside the one end of the roll shaft body and rotated in only a direction opposite to the direction of feeding in the recording medium with respect to the latching portion; and a torque transmission limiting portion which is mounted inside the one end of the roll shaft body, used to release the transmission of torque when the value of the torque applied to the roll shaft body is equal to or greater than a predetermined value at the time of feeding in the recording medium and used to allow the torque to be transmitted when the value of the torque is less than the predetermined value.

REFERENCES:
patent: 4085671 (1978-04-01), Gates et al.
patent: 6422502 (2002-07-01), Takada et al.
patent: 6435446 (2002-08-01), Matsuzawa

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