Such test shall consist of releasing the cage suddenly in some suitable manner so that the safety catches shall have an opportunity to grip the guides.
225 ILCS 710/45.50
The safety catches of cages shall be kept well oiled and in good working order, and shall be tested at least once a month
Known as the Fluorspar Mines Act
The act spans §§ 225-710-1 to 225-710-9-02 (122 sections).
Laws 1945, p. 1035.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.