The patent is dated 1910. I think it would be made about 1930's.   These were fitted with a variety of implements--plough,ridger,cultivator, seeder etc .  This one is fitted with a pair of horizontal knives which cut small weeds off just below the surface. it cuts  a strip 11 inches wide between your growing vegitable  plants.    The handles are profusely covered with decorative details of its make etc.They are 54 inches long., 19 wide at the top.  The spoked wheel is15 inches diameter  A lovely item to add to your collection .  For collection only  from 5 miles West of York  just off the A59