Accelerator device

Patent metadata

Field	Value
Publication number	US-11241957-B2
Application number	US-202117338213-A
Country	US
Kind code	B2
Filing date	Jun 3, 2021
Priority date	Dec 11, 2018
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

An accelerator device includes a housing, a rotary shaft, and an operating member. The operating member is configured to move in an opening direction and a closing direction. The operating member includes a first contact portion arranged at a first distance from the rotary shaft and a second contact portion arranged at a second distance from the rotary shaft. When the first contact portion has an initial shape and the operating member is located at the accelerator idle position, the second contact portion is arranged at a predetermined distance from the inner wall. When the first contact portion is deformed more than a predetermined volume from the initial shape and the operating member is located at the accelerator idle position, the second contact portion is in contact with the inner wall.

First claim

What is claimed is:

1. An accelerator device comprising:
a housing configured to be attached to a vehicle body;
a rotary shaft supported in the housing and configured to rotate; and
an operating member configured to be moved between an accelerator idle position and an accelerator full-throttle position, the operating member being biased toward the accelerator idle position, wherein
the operating member includes
a first contact portion arranged at a first distance from the rotary shaft and configured to be deformed by a contact with an inner wall of the housing when the operating member is located at the accelerator idle position, and
a second contact portion arranged at a second distance longer than the first distance from the rotary shaft,

when the first contact portion has an initial shape and the operating member is located at the accelerator idle position, the second contact portion is arranged at a predetermined distance from the inner wall, and
when the first contact portion is deformed more than a predetermined volume from the initial shape and the operating member is located at the accelerator idle position, the second contact portion is in contact with the inner wall.

2. The accelerator device according to claim 1 , wherein
the first contact portion has a curved surface shape.

3. The accelerator device according to claim 1 , wherein
the second contact portion has a curved surface shape.

4. The accelerator device according to claim 1 , further comprising:
a biasing member disposed on a side of the first contact portion from the rotary shaft to bias the operating member toward the accelerator idle position, wherein
the operating member rotates integrally with the rotary shaft,
the housing includes a bearing formed in a tubular shape to support the rotary shaft,
a diameter of the bearing is larger than a diameter of the rotary shaft,
the biasing member and the operating member are in contact with each other at a contact part, and the contact part intersects a central axis of the biasing member at an intersection,
a third distance is from the intersection to the rotary shaft, and
the third distance is shorter than the first distance.

Assignees

• Denso Corp

Inventors

• Kita Takuto

Classifications

• G05G1/44

  pivoting · CPC title

• G05G5/05

  Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops (G05G5/28 takes precedence) · CPC title

• B60K26/02 Primary

  of initiating means or elements · CPC title

• G05G2505/00

  Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member · CPC title

• G05G5/04 Primary

  Stops for limiting movement of members, e.g. adjustable stop (G05G5/03, G05G5/05, G05G5/28 take precedence) · CPC title