Winding device attachable to a printing device

Patent metadata

Field	Value
Publication number	US-10479633-B2
Application number	US-201816107376-A
Country	US
Kind code	B2
Filing date	Aug 21, 2018
Priority date	Dec 21, 2003
Publication date	Nov 19, 2019
Grant date	Nov 19, 2019

Abstract

A winding device includes a winding shaft that rotates and winds a print medium conveyed from a printing device having a conveyance roller that conveys the print medium, a gear, and a motor driving the conveyance roller and the gear. The winding device also includes a power transfer mechanism to connect to the gear and transfer power to the motor, and a lever disposed between the winding shaft and the conveyance roller in a conveyance path in a configuration in which the winding device is connected to the printing device. The lever may be moved between a first position in which the print medium bends and a second position in which the print medium bends at a shallower angle than at the first position.

First claim

What is claimed is:

1. A winding device attachable to a printing device having a conveyance roller configured to convey a print medium from a printing device and a motor, the winding device comprising;
a winding shaft configured to rotate and wind the print medium conveyed from the printing device;
a power transfer mechanism configured to connect to the gear and transfer power from the motor to the winding shaft; and
a lever disposed between the winding shaft and the conveyance roller in a conveyance path when the winding device is connected to the printing device,
wherein the lever is configured to move between a first position in which the print medium bends at a first angle and a second position in which the print medium bends at a second angle that is larger than the first angle.

2. The winding device described in claim 1 , wherein:
the power transfer mechanism includes an input gear that is connected to the gear, the input gear being configured to move relative to the gear.

3. The winding device described in claim 2 , wherein:
the input gear is inserted in an input unit insertion recess of the printing device; and
an input support unit rockably supports the input gear.

4. The winding device described in claim 1 , wherein:
the first position is lower than the second position.

5. The winding device described in claim 1 , further comprising:
an elastic member that the lever contacts when the lever is at or near the second position.

6. The winding device described in claim 1 , wherein:
the lever comprises a roller.

7. The winding device described in claim 6 , wherein:
the roller includes a plurality of roller segments distributed in an axial direction.

8. The winding device described in claim 6 , wherein:
the lever further comprises a roller lever that supports the lever and is configured to rotate on a pivot point.

9. The winding device described in claim 1 , wherein:
the power transfer mechanism includes a torque limiter.

Assignees

• Seiko Epson Corp

Inventors

• Kawajiri Masahiro
• Takami Toru

Classifications

• B65H2801/12

  Single-function printing machines, typically table-top machines · CPC title

• B65H2403/732

  Torque limiters · CPC title

• B65H2515/314

  Tension profile, i.e. distribution of tension, e.g. across the material feeding direction or along diameter of web roll · CPC title

• B65H18/10 Primary

  Mechanisms in which power is applied to web-roll spindle · CPC title

• B65H2403/47

  Ratchet · CPC title