Universal joint, coupling rod appratus, and musical instrument pedal device
AssigneeHoshino Gakki Co., Ltd.
InventorSatoshi Hirasawa
Life of this patent
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Abstract
A universal joint includes two yokes respectively connected to two rotary members, a spider rotationally coupled to the two yokes, and a bearing disposed at a portion that couples the two yokes to the spider, the bearing rotationally supporting the spider. The spider is configured to be arranged in a space defined by inner surfaces of the two yokes and allow an outer ring of the bearing to be fixed to the spider.
Claims10
A universal joint, comprising:
- two yokes respectively connected to two rotary members;
- a spider rotationally coupled to the two yokes;
- and
- a bearing disposed at a portion that couples the two yokes to the spider, the bearing rotationally supporting the spider, wherein
- the spider is configured to be arranged in a space defined by inner surfaces of the two yokes and includes a dividing surface that divides the spider into multiple components,
- the multiple components include:
- a spider body including an accommodation portion in which the bearing is arranged;
- and
- a lid coupled to the spider body so as to cover the bearing in the accommodation portion, and
- the spider is configured to fix an outer ring of the bearing on the dividing surface by holding the outer ring of the bearing using the spider body and the lid.
A musical instrument pedal device comprising pedal devices, the musical instrument pedal device being used with rotary shafts of the pedal devices coupled to each other by a universal joint, wherein
- the universal joint includes:
- two yokes respectively connected to two rotary members;
- a spider rotationally coupled to the two yokes;
- and
- a bearing disposed at a portion that couples the two yokes to the spider, the bearing rotationally supporting the spider, and
- the spider is configured to be arranged in a space defined by inner surfaces of the two yokes and includes a dividing surface that divides the spider into multiple components,
- the multiple components include:
- a spider body including an accommodation portion in which the bearing is arranged;
- and
- a lid coupled to the spider body so as to cover the bearing in the accommodation portion, and
- the spider is configured to fix an outer ring of the bearing on the dividing surface by holding the outer ring of the bearing using the spider body and the lid.
Dependencies are inferred from the claim text.