Apparatus for supporting mine brattices

Claim 1

APPARATUS FOR HANGING BRATTICE CLOTH FROM A SURFACE OF A MINE AT A LOCATION ABOVE THE MINE FLOOR COMPRISING, A TRIANGULAR WEDGE SHAPED SPAD HAVING A POINTED FRONT EDGE, INCLINED SIDE WALLS DIVERGING FROM SAID FRONT EDGE AND TERMINATING IN A BASE PORTION, SAID SPAD ARRANGED TO PENETRATE A ROCK-LIKE SURFACE OF A MINE A PRESELECTED DISTANCE AND SUSPEND A PORTION OF A BRATTICE CLOTH THEREFROM, A STOP MEMBER HAVING AN APERTURE THERETHROUGH WITH A DIMENSION LESS THAN THE DIMENSION OF SAID SPAD BASE PORTION, SAID SPAD EXTENDING THROUGH SAID APERTURE WITH SAID STOP MEMBER ENGAGING SAID SPAD SIDE WALLS AT A LOCATION BETWEEN SAID SPAD FRONT EDGE PORTION AND SAID SPAD BASE PORTION, SAID SPAD INCLINED SIDE WALLS SUPPORTING SAID STOP MEMBER THEREON, SAID STOP MEMBER ARRANGED TO SUPPORT A PORTION OF SAID BRATTICE CLOTH PIERCED BY SAID SPAD MEMBER AND POSITIONED ON SAID PAD MEMBER BETWEEN SAID ROCKLIKE SURFACE AND SAID STOP MEMBER, THE WEIGHT OF SAID HANGING BRATTICE CLOTH SUPPORTED BY SAID STOP MEMBER, AND SAID STOP MEMBER FABRICATED FROM A DEFORMABLE MATERIAL AND BEING DETACHABLY MOUNTED SO THAT A PULLING FORCE OF A PRESELECTED MAGNITUDE EXERTED ON SAID STOP MEMBER BY SAID PORTION OF SAID BRATTICE CLOTH PIERCED BY SAID SPAD MEMBER AND POSITIONED ON SAID SPAD MEMBER BETWEEN SAID ROCK-LIKE SURFACE AND SAID STOP MEMBER ENLARGES SAID APERTURES IN SAID STOP MEMBER TO A DIMENSION GREATER THAN THE DIMENSION OF SAID SPAD BASE PORTION TO THEREBY DISENGAGE SAID STOP MEMBER AND SAID BRATTICE CLOTH FROM SAID SPAD.