# US 7,743,517 B1 · Guide for establishing reveal on door and window frames during molding installation

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- Number: US 7,743,517 B1
- Document ID: US7743517B1
- Status: Granted
- Kind: B1
- Application number: 12/454,540
- Filed: 2009-05-19
- Granted: 2010-06-29
- Earliest claimed: 2009-05-19
- Inventors: Jason Burgese
- Web page: https://patentgrep.com/patent/US7743517B1

## CPC

- E04F 21/0069: {for cutting or mounting plinths}
- G01B 3/30: Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable, e.g. end measure, feeler strip
- E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B)
- G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS

## Abstract

A guide preferably of small size preferably two and a half inches square is disclosed for establishing reveal on doors and window frames during molding installation without having to do measuring and marking. In one embodiment two square blocks making up the guide are fixedly attached to each other and a different guide is used for different molding reveals. In another preferred embodiment of the present invention, the position of the two blocks relative to each other is adjustable such that one block moves along the other block only along a diagonal providing a simple single adjustment which provides the same amount of reveal on two orthogonal sides of the guide.

## Claims

### Claim 1

A molding guide, comprising:
a first block having a shape of a square prism having a face with four edges of a first predetermined length with rectangular sidewalls;
a second block having a shape of a square prism having a face with four edges of said first predetermined length and having rectangular sidewalls;
said first block and said second block being adjustably attached to one another a square face to a square face and in such a way that said first block and said second block are offset such that each sidewall of said square block is parallel to one of the adjacent sidewalls of said second block and a diagonal can be drawn through two corners of each block with one line;
said offset is equal to a desired predetermined molding reveal; and
wherein said blocks are adjustably attached such that said first block can only move in such a way that the diagonal between the two corners of the first block remains collinear with the diagonal of said second block.

### Claim 2 (depends on 1)

A molding guide in accordance with claim 1 wherein said blocks are adjustably attached, further including:
a channel created in said first block along said diagonal;
a bolt mounted normal to the face of and at a center of said square face of said second block, said bolt passing through said channel in said first block;
a fastener on the bolt releasably securing the first and second blocks relative to each other;
a guide element fixedly attached to one of the blocks;
said guide element being placed off the diagonal line and protruding normal to the face juxtaposed the other block face;
a guiding groove formed in the other of said two blocks deep enough to house said guide element; and
said guiding groove being formed in a line parallel to and offset from said diagonal at a position across from said guide element on the square face of the other block.

### Claim 3 (depends on 2)

A molding guide in accordance with claim 2 wherein said first predetermined length of said four edges is equal to approximately two and one half inches.

### Claim 4 (depends on 1)

A molding guide in accordance with claim 1 wherein said first predetermined length of said four edges is equal to approximately two and one half inches.