Properties of Footgear for Farm Work mainly in Terms of Pedal Operation
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概要
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This study aims to throw light on properties of footgears relating to the pedal operation of farm machinery. Kinds of footgears actually used and troubles during use in various farm fields were questioned by mail for more than one hundred farmers in Niigata Prefecture. And, the effects of four kinds of footgears on the response time, the exerted force in treading and the electromyogram at the surface of shins were measured with a trially made simulator in a laboratory. Results obtained may be summarized as follows:1) Some contradictory relations were found between various properties of footgears during use as mentioned below: Answers for questionnare papers showed that properties relating to smooth and quick movement of legs were contradictory to those for protecting feet (e. g. safety, water-proof and so on) and keeping lives of footgears. In experiments, the length of response time was almost against the magnitude of the exerted force and the muscular load shown by electromyogram in each kind of the footgears.2) Safety shoes were most execellent in exerting the treading force, but showed defects for smooth and quick operation chiefly owing to their relatively large weight and hard structure. It seemed to be necessary to make them lighter and to assure flexible movement of ankles.3) Contradictions between properties in each footgear were also found in locations of pedals. It was pointed out that the present locations of both the clutch and the brake pedals are pretty far from the most appropriate positions in terms of the response time and the exerted force. Some future research themes on footgears in mechanized farm work were additionally discussed.
- 日本農作業学会の論文
日本農作業学会 | 論文
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