Methods and apparatus for transporting sheet media
First Claim
Patent Images
1. A sheet handling assembly comprising:
- a frame;
a first assembly and a second assembly, each rotatably supported by the frame and configured to contactingly transport sheet media;
a member configured to rotate the second assembly in response to rotation of the member in a first direction, wherein the frame is configured to;
pivot in the first direction in response to rotating the member in the first direction; and
pivot in a second direction, opposite the first direction, in response to rotating the member in the second direction; and
at least one transmission member by which the first assembly and the second assembly are coupled for synchronous rotation, the at least one transmission member configured such that a predetermined initial angular rotation of the member in the first direction is reguired before causing rotation of the first assembly and the second assembly.
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Abstract
A sheet handling assembly includes a frame, a first assembly, and a second assembly, each assembly rotatably supported by the frame and configured to contactingly transport sheet media. A member is configured to rotate the second assembly in response to rotation of the member in a first direction. The frame is configured to pivot in the first direction in response to rotating the member in the first direction, and pivot in a second direction, opposite the first direction, in response to rotating the member in the second direction.
36 Citations
19 Claims
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1. A sheet handling assembly comprising:
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a frame; a first assembly and a second assembly, each rotatably supported by the frame and configured to contactingly transport sheet media; a member configured to rotate the second assembly in response to rotation of the member in a first direction, wherein the frame is configured to; pivot in the first direction in response to rotating the member in the first direction; and pivot in a second direction, opposite the first direction, in response to rotating the member in the second direction; and at least one transmission member by which the first assembly and the second assembly are coupled for synchronous rotation, the at least one transmission member configured such that a predetermined initial angular rotation of the member in the first direction is reguired before causing rotation of the first assembly and the second assembly. - View Dependent Claims (2, 3)
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4. A sheet handling assembly comprising:
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a frame; a first assembly and a second assembly, each rotatably supported by the frame and configured to contactingly transport sheet media; a gear rotatably supported by the frame, the pear configured to rotate the first assembly in response to a rotation of the second assembly; and a member configured to rotate the second assembly in response to rotation of the member in a first direction, wherein the frame is configured to; pivot in the first direction in response to rotating the member in the first direction; and pivot in a second direction, opposite the first direction, in response to rotating the member in the second direction; wherein each of the first assembly and the second assembly include; a pick gear configured to mechanically cooperate with the gear; a clutch configured to be rotationally driven in the first direction in response to a corresponding rotation of the pick gear, the clutch further configured to be rotationally idle in response to a rotation of the pick gear in the second direction; a hub configured to be rotationally driven in the first direction in response to a corresponding rotation of the clutch, the hub further configured to be rotationally idle in response to a rotationally idle condition of the clutch; and a tire supported about the hub, the tire configured to contactingly transport sheet media in response to a rotation of the hub. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An imaging apparatus, comprising:
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an imaging section; a media support configured to support sheet media; and
a sheet handling assembly comprising;a frame; a first assembly and a second assembly, each rotatably supported by the frame and configured to contactingly transport the sheet media from the media support to the imaging section; a member configured to rotate the second assembly in response to rotation of the member in a first direction, wherein the frame is configured to; pivot in the first direction in response to rotating the member in the first direction; and pivot in a second direction, opposite the first direction, in response to rotating the member in the second direction; and at least one transmission member by which the first assembly and the second assembly are coupled for synchronous rotation, the at least one transmission member configured such that a predetermined initial angular rotation of the member in the first direction is required before causing rotation of the first assembly and the second assembly. - View Dependent Claims (16, 17, 18)
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19. An apparatus, comprising:
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prepick means for transporting first media toward a pick means; pick means for advancing the first media; separator means for preventing second media from passing the pick means; and means for bringing the prepick means into contact with the media in response to rotating the pick; and means for transmitting mechanical power to the prepick means and the pick means, the means for transmitting mechanical power configured such that a predetermined amount of movement of the means for transmitting mechanical power is reguired before mechanical power is applied to the prepick means and to the pick means.
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Specification