# US 12,117,758 B2 · Image forming apparatus capable of suppressing vibration transmission to exposure unit

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- Number: US 12,117,758 B2
- Document ID: US12117758B2
- Status: Granted
- Kind: B2
- Application number: 18/458,960
- Filed: 2023-08-30
- Published: 2024-02-29
- Granted: 2024-10-15
- Earliest claimed: 2022-08-31
- Assignees: KYOCERA Document Solutions Inc.
- Applicants: KYOCERA Document Solutions Inc.
- Inventors: Masaru Takagi
- Web page: https://patentgrep.com/patent/US12117758B2

## CPC

- G03G 21/1619: {Frame structures}
- G03G 15/011: {for exposing}
- G03G 15/6567: {for deskewing or aligning}
- G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

## Abstract

An image forming apparatus includes a housing frame, an image forming unit, a registration unit, and an exposure unit. The housing frame forms a skeleton of a housing. The image forming unit has a photoconductor drum. The registration unit performs skew correction of a sheet. The exposure unit exposes the photoconductor drum. In the image forming apparatus, the registration unit and the exposure unit are adjacent within the housing frame. The registration unit is attached to the housing frame via a pair of flat plates. The registration unit is supported by a plurality of elastic pieces bent up from the pair of flat plates.

## Claims

### Claim 1

An image forming apparatus including a housing frame forming a skeleton of a housing, the image forming apparatus comprising:
an image forming unit having a photoconductor drum;
a registration unit configured to perform skew correction of a sheet; and
an exposure unit configured to expose the photoconductor drum; wherein
the registration unit and the exposure unit are adjacent within the housing frame;
the registration unit is attached to the housing frame via a pair of flat plates; and
the registration unit is supported by a plurality of elastic pieces bent up from the pair of flat plates.

### Claim 2 (depends on 1)

The image forming apparatus according to claim 1, wherein
the registration unit has a pair of registration rollers movable in a sheet width direction;
the registration unit is attached to the housing frame via the pair of flat plates facing each other in the sheet width direction; and
the plurality of elastic pieces are bent up in a horizontal direction from the pair of flat plates.

### Claim 3 (depends on 1)

The image forming apparatus according to claim 1, wherein
the exposure unit is attached to the housing frame via another pair of flat plates.