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Improvements in Pads for Boot Heels, Clutches, Pin-legs or Walking Sticks.
Improvements in Pads for Boot Heels, Clutches, Pin-legs or Walking Sticks.
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机译:改进了脚跟,离合器,大腿或拐杖的脚垫。
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摘要
20,758. Glover, W. H. March 26, 1915. Tips.-The conical washer for the screw which secures a pad, made up of a tread D of non- slipping material such as leather, fibre, guttapercha, &c. cemented to a backing C of rubber, to a boot heel, crutch, pin-leg, or walking-stick, is arranged so that it bears against both the tread and the backing, which are recessed as shown.
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