Improvements in wheels for agricultural tractors and other vehicles

摘要

511,342. Scrapers for vehicle wheels. MELOTTE SOC. ANON., C. Dec. 15,1938, No, 36602. Convention date, Dec. 18, 1937. [Class 108 (ii)] [Also in Group XXXIV] The strakes 3 of a tractor &c. wheel are fitted with clearance between the strakes and the wheel-rim for the operation of a fixed scraper 4.