Improvements in Machinery for Cutting out Circular Grindstones and the like.
Номер патента: GB190013092A
Опубликовано: 08-06-1901
Автор(ы): Joseph Turner
Принадлежит: Individual
Опубликовано: 08-06-1901
Автор(ы): Joseph Turner
Принадлежит: Individual
Реферат: 13,092. Turner, J. July 20. Cutting-out blocks.-Grindstones or other circular stones are cut out by the radially-adjustable cutters N on the cutter-head L, which is driven by its shaft H and bevel gearing E, F. The cutter-head is supported by the vertically-sliding crosshead J, which is fed by screws in the standards A, the screws being driven by worm gearing R and ratchet or other gear Z from the main shaft or by hand. A tubular cutter in the centre of the head may cut out the centre hole. The work is carried on a trolley C.
Improvements in reaping or mowing implements for cutting growing crops such as grass, hay, corn, undergrowth, weeds and the like
Номер патента: GB792364A. Автор: . Владелец: Individual. Дата публикации: 1958-03-26.