Improvements in Spring-mattresses.
Номер патента: GB189707181A
Опубликовано: 05-06-1897
Автор(ы): Bruno August Grimm
Принадлежит: Individual
Опубликовано: 05-06-1897
Автор(ы): Bruno August Grimm
Принадлежит: Individual
Реферат: 7181. Grimm, B. A. March 19. Mattresses.-The surface of a spring mattress is composed of stretched longitudinal wavy wires D, fixed to the frame A and having intermediate coils F, supported on cross-wires G formed with springs H. Springs P fixed at the junctions of the wires D, G are supported on corresponding wires J, E which are fixed to wavy bars or frames K, K<1> adjustable by means of guides L, clamps 0, and guides M. The head portion is hinged at C, and is adjustable in inclination by notched quadrants R engaging catches S.
Improvements in Spring Mattresses and the like.
Номер патента: GB191417519A. Автор: John Edmund Marshall. Владелец: Individual. Дата публикации: 1915-07-26.