A - Human Necessities – 42 – B
Patent
A - Human Necessities
42
B
2/73
A42B 3/00 (2006.01) A42B 3/14 (2006.01)
Patent
CA 1042151
ABSTRACT The crown suspension consists of upper and lower dome-shaped elements each having a central portion and radially extending legs. The legs of the upper element are connected to the shell and means is provided for adjusting the position of the legs of the lower element relative to the upper element legs to enable the lower element to be fitted to various sized heads.
282903
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