초록 ▼

A device for punching cutouts through sheets of drywall or similar wall covering sheets that are typically installed on framing members to which utility boxes are mounted. A cutting assembly is removably mounted over the utility or electrical boxes and the cutting assembly has substantially the same

A device for punching cutouts through sheets of drywall or similar wall covering sheets that are typically installed on framing members to which utility boxes are mounted. A cutting assembly is removably mounted over the utility or electrical boxes and the cutting assembly has substantially the same projected contour of these boxes with a puncturing member that cuts through the drywall. A pulling assembly engages with the protruding end of the puncturing member and adapted to pull it, and the cutting assembly to which it is rigidly connected, thereby producing a cutout that substantially follows the contour of the utility box that needs to be exposed through the drywall.

대표청구항 ▼

A device for punching cutouts through sheets of sheet-rock being installed on framing members that include electrical boxes rigidly mounted to said frame members, comprising; A. cutting means mountable over said electrical boxes, having substantially the same projected contour of said boxes and incl

A device for punching cutouts through sheets of sheet-rock being installed on framing members that include electrical boxes rigidly mounted to said frame members, comprising; A. cutting means mountable over said electrical boxes, having substantially the same projected contour of said boxes and including puncturing means rigidly mounted to said cutting means and perpendicularly disposed with respect to said sheets; and B. means for pulling said cutting means through said sheet-rock sheets having means for cooperatively engaging to said puncturing means after protruding through said sheet-rock sheet wherein said puncturing means are perpendicularly disposed with respect to the plane of said sheet-rock sheets and wherein said pulling means includes a base member having a substantially flat bottom surface and channels on said bottom surface that cooperatively house said cutting means protruding through said sheet, and further includes a through opening cooperatively disposed to allow said puncturing means through and wherein said pulling means includes a sleeve member vertically mounted over said base member and a cooperating post member slidably mounted through said sleeve member and said pose member having upper and lower ends and said lower end includes said means engaging said puncturing means.