Paint applicator and roller therefor

Claim 1

A ROLLER PAINT APPLICATOR COMPRISING A HOUSING, SAID HOUSING INCLUDING A TROUGH PORTION AND END MEMBERS CLOSING THE ENDS OF SAID TROUGH PORTION; A ROLLER MEMBER FORMED OF POROUS SPONGY RESILIENTLY DEFORMABLE MATERIAL FREELY ROTATABLY JOURNALED IN SAID END MEMBERS; A FLAP MEMBER CARRIED BY SAID HOUSING AND PIVOTED FOR ROTATION ABOUT A PIVOTAL AXIS PARALLEL TO THE ROTATIONAL AXIS OF SAID ROLLER MEMBER, SAID FLAP MEMBER HVING A FREE RECTILINEAR EDGE PORTION EXTENDING PARALLEL TO SAID ROTATIONAL AXIS, SAID FLAP MEMBER COMPRISING A PRESSURE-APPLYING PORTION SPACED FROM SAID FREE EDGE PORTION TOWARD SAID PIVOTAL AXIS, SAID PRESSURE-APPLYING PORTION BEING ENGAGEABLE WITH A LATERAL PORTION OF SAID ROLLER TO COMPRESS SAID ROLLER INTO A DEFORMED CYLINDRICAL CONFIGURATION, SAID FREE EDGE PORTION BEING ENGAGEABLE WITH A FLAT SURFACE TO MAINTAINING SAID ROLLER IN SAID DEFORMED CONDITION FOR APPLYING A FREE PORTION OF SAID DEFORMED ROLLER AGAINST ANOTHER SURFACE FORMING A CORNER WITH SAID FLAT SURFACE; AND STOP MEANS LIMITING PIVOTAL MOVEMENT OF SAID FLAP MEMBER AWAY FROM SAID ROLLER MEMBER.