학술논문
Drive shaft assembly for toy vehicles
Document Type
Patent
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Source
Subject
Language
Abstract
A toy vehicle including: a housing defining an interior section of the vehicle; a motor mounted in the housing; a drive shaft operatively connected to the motor and extending through an opening in the housing; and a propeller or wheel mounted on an end portion of the drive shaft. The drive shaft includes a polygon shaped driving element that is countersunk into a rear portion of the propeller/wheel for providing reliable transfer of power from the motor to the propeller/wheel.