Sheet conveyance device
AssigneeCanon Kabushiki Kaisha
InventorYoshimi Suzuki
Life of this patent
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Abstract
A sheet conveyance device includes a frame, first and second rollers, a roller shaft, an urging member, and a bearing. The bearing includes a holding portion to slidably hold the roller shaft and held by the frame. The holding portion is deformable. As viewed in a rotational axis direction of the roller shaft, a direction in which the urging member urges the second roller is defined as a first direction, a direction that is perpendicular to the first direction is defined as a second direction, and a region where the roller shaft is present in the second direction is defined as a first region. The frame holds the bearing so as not to be in contact with the holding portion in the first region downstream of a rotation center of the roller shaft in the first direction.
Claims8
A sheet conveyance device comprising:
- a frame;
- a first roller configured to convey a sheet;
- a roller shaft configured to hold the first roller;
- a second roller configured to face the first roller and nip the sheet together with the first roller;
- an urging member configured to urge the second roller toward the first roller in a direction intersecting a rotational axis direction of the roller shaft;
- and
- a bearing including a holding portion configured to slidably hold the roller shaft and held by the frame, wherein the holding portion is deformable,
- wherein, as viewed in the rotational axis direction of the roller shaft, a direction in which the urging member urges the second roller is defined as a first direction, a direction that is perpendicular to the first direction is defined as a second direction, and a region where the roller shaft is present in the second direction is defined as a first region,
- wherein the frame holds the bearing so as not to be in contact with the holding portion in the first region downstream of a rotation center of the roller shaft in the first direction,
- wherein the bearing includes an arm having a slit that is configured to engage with the frame and extends in the first direction,
- wherein the bearing has a first surface and a second surface that form the slit, and the first surface and the second surface are disposed so as to face each other and sandwich the frame, and
- wherein, when one of the first surface and the second surface is in contact with the frame, a gap is formed between the other of the first surface and the second surface and the frame.
A sheet conveyance device comprising:
- a frame;
- a first roller configured to convey a sheet;
- a roller shaft configured to hold the first roller;
- a second roller configured to face the first roller and nip the sheet together with the first roller;
- an urging member configured to urge the second roller toward the first roller;
- and
- a bearing that includes a holding portion configured to slidably hold the roller shaft and a bottom portion in contact with the frame and that is held by the frame, wherein the holding portion is deformable,
- wherein, as viewed in a rotational axis direction of the roller shaft, a direction in which the urging member urges the second roller is defined as a first direction, a direction that is perpendicular to the first direction is defined as a second direction, and a region where the roller shaft is present in the second direction is defined as a first region,
- wherein the bottom portion is located downstream of the holding portion in the first direction and is located inside of the first region,
- wherein the bearing has a hole disposed between the holding portion and the bottom portion so that the holding portion is not in contact with the bottom portion in the first region,
- wherein the bearing includes an arm having a slit that is configured to engage with the frame and extends in the first direction,
- wherein the bearing has a first surface and a second surface that form the slit, and the first surface and the second surface are disposed so as to face each other and sandwich the frame, and
- wherein, when one of the first surface and the second surface is in contact with the frame, a gap is formed between the other of the first surface and the second surface and the frame.
Dependencies are inferred from the claim text.