Heat roller of image forming apparatus
First Claim
Patent Images
1. A heat roller of an image forming apparatus comprising:
- a heat transfer pipe;
a heat generating body disposed at the heat transfer pipe and generating heat;
a terminal to apply power to the heat generating body; and
an end cap connected to the heat transfer pipe, and having a groove such that the terminal is smoothly inserted without forced bending.
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Accused Products
Abstract
A heat roller of an image forming apparatus is capable of preventing a terminal from being broken and improving contact performance of the terminal. The heat roller includes a heat transfer pipe, a heat generating body disposed at the heat transfer pipe and generating heat, a terminal to apply power to the heat generating body, and an end cap connected to the heat transfer pipe, and having a groove such that the terminal is smoothly inserted without forced bending.
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Citations
37 Claims
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1. A heat roller of an image forming apparatus comprising:
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a heat transfer pipe;
a heat generating body disposed at the heat transfer pipe and generating heat;
a terminal to apply power to the heat generating body; and
an end cap connected to the heat transfer pipe, and having a groove such that the terminal is smoothly inserted without forced bending. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A heat roller of an image forming apparatus comprising:
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a heat transfer pipe;
a heat generating body disposed at the heat transfer pipe and generating heat;
an end cap connected to the heat transfer pipe;
a conductive member; and
a terminal smoothly passing through the end cap without forced bending, and having a portion that extends on an exterior surface of the end cap and applying power to the heat generating body in contact with the conductive member.
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8. A heat roller of an image forming apparatus comprising:
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a heat transfer pipe;
a heat generating body disposed at the heat transfer pipe and generating heat;
a terminal to apply power to the heat generating body; and
an end cap connected to the heat transfer pipe, and having a portion of the end cap, into which the terminal is inserted, disposed diagonally opposite to a tip of the terminal, when seen from a cross-sectional view. - View Dependent Claims (9, 10, 11)
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12. A fixing unit of an image forming apparatus, comprising:
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a heat roller including a heat transfer pipe to apply heat to a recording medium, a heat generating body disposed at the heat transfer pipe and generating heat, a terminal to apply power to the heat generating body, and an end cap connected to the heat transfer pipe, and having a groove such that the terminal is smoothly inserted without forced bending; and
a pressure roller rotating with the heat roller and pressing the recording medium to fix a toner image to the recording medium. - View Dependent Claims (13, 14, 15, 16)
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17. An image forming apparatus comprising:
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a development unit to form a toner image onto an electrostatic latent image of a photoconductive drum;
a transfer unit to transfer the toner image onto a recording medium;
a heat roller including a heat transfer pipe to apply heat to the recording medium, on which the toner image is printed, a heat generating body disposed at the heat transfer pipe and generating heat, a terminal to apply power to the heat generating body, and an end cap connected to the heat transfer pipe, and having a groove such that the terminal is smoothly inserted without forced bending; and
a pressure roller rotating with the heat roller, and pressing the recording medium to fix a toner image onto the recording medium. - View Dependent Claims (18, 19, 20)
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21. A heat roller of an image forming apparatus, comprising:
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a heat transfer pipe;
a heat generating body disposed in the heat transfer pipe and generating heat;
at least one terminal electrically connected to the heat generating body; and
at least one end cap connected to the heat transfer pipe, and having a first groove formed on one side, and a second groove formed on an opposite side to the one side. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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- 35. An end cap connectable to a heat transfer pipe usable with a heat roller of an image forming apparatus, comprising a body having a first side and a second side formed opposite of body from the first side, wherein a first groove is formed on the first side, and a second groove is formed on the second side, and first groove and the second groove communicate through an opening through the interior of the body.
Specification