Drywall T-square

Patent

Drywall T-square

- 11 Sep 1989

18

TL;DR: In this paper, a first positioning rule is oriented for mounting overlying edge portions of associated plaster drywall sheets, and a second rule is slidably mounted to the first rule includes a series of slots for receiving a cutting tool there within to effect scoring and cutting of the associated drywall sheet.

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Citations

Patent

Drywall cutting tool

Patrick H. Brown, +1 more

- 26 Dec 2000

TL;DR: In this article, a T square, with the head and stem portions immovably affixed to one another, is used to provide cuts in drywall material either parallel or perpendicular to a reference edge of the sheet, without repositioning the tool from the reference edge.

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47

Patent

Mat marking and cutting apparatus

Michael J. McGinnis

- 04 Mar 1992

TL;DR: An artwork mat marking and cutting apparatus for use in cutting mat and similar material for picture framing and the like is disclosed in this article, which includes a combined marking and bevel cutting device and a dual scale conversion ruler.

...read moreread less

41

Patent

Gypsum wallboard scoring tool

Brian Praye

- 02 Nov 1995

TL;DR: In this article, an edge guided tool for scoring flat panels comprises a cutter assembly sliding on a track mounted on a conventional T-square vertical rail, and a cutting tool body supporting a cutting plate over a panel to be cut is slideably mounted in the track on a resilient spring plate such that when the cutting blade is urged down toward the panel on the bending spring plate, the slide is urged against track sides to prevent further sliding, locking the slide and the blade in an alignment position.

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20

Patent

Woodworking square having multiple uses

Michael Bear

- 28 Oct 1992

TL;DR: A woodworking square (10) having multiple uses is described in this article, where the square can be used to locate long and short points for trimming an opening and may be used for locating pitch line for rafters in a quick, efficient manner.

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13

Patent

Scoring and marking apparatus having stabilizing wings

Gregory S. Dempsey

- 14 Nov 1996

TL;DR: In this paper, a stabilizing wing structure on the base is constructed and arranged to prevent any such rocking movement of the base and the trans-base as the contact edge is drawn along the side edge of the sheet material.

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