作者: John M Radabaugh
DOI:
关键词: Electric motor 、 Motor controller 、 Lawn mower 、 Automotive engineering 、 Traction (orthopedics) 、 Mower 、 Lawn 、 Engineering
摘要: This invention relates to lawn mowers, and the primary object of present is provide a mower above kind including traction wheels, rotary knife reel, reversible electric motor, means operatively connecting motor with wheels so that mower...