Spring mattress wire repair patch and protector

摘要

196,207. Wolstenholme, S. June 13, 1922. Mattresses.-A shield for protecting a wire mattress against damage by the tensioning-screw 6 comprises two plates 1, 2 placed on the upper and lower surfaces of the mattress and secured in position by bolts 4. The plates may be made of metal, or if made of a softer material, such as vulcanized fibre, a metal facing plate 3 may be provided.