WO2007122455A1 - Equerre de charpente pliante - Google Patents

Equerre de charpente pliante Download PDF

Info

Publication number
WO2007122455A1
WO2007122455A1 PCT/IB2006/051309 IB2006051309W WO2007122455A1 WO 2007122455 A1 WO2007122455 A1 WO 2007122455A1 IB 2006051309 W IB2006051309 W IB 2006051309W WO 2007122455 A1 WO2007122455 A1 WO 2007122455A1
Authority
WO
WIPO (PCT)
Prior art keywords
body extension
tongue
ball bearing
extension
spring loaded
Prior art date
Application number
PCT/IB2006/051309
Other languages
English (en)
Inventor
Jerome Frankowiak
Original Assignee
Jerome Frankowiak
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jerome Frankowiak filed Critical Jerome Frankowiak
Priority to PCT/IB2006/051309 priority Critical patent/WO2007122455A1/fr
Publication of WO2007122455A1 publication Critical patent/WO2007122455A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00—Marking-out or setting-out work
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/26—Implements for finishing work on buildings for mounting staircases, e.g. tools for marking steps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
    • G01B3/566—Squares

Definitions

  • a framing square is one of a carpenter's primary tools. It is an L-shaped tool consisting of a body and a tongue joined at right angles. It usually contains calibrations imprinted upon the tongue and the body. It has many carpentry applications. It can be used to lay out straight cutting lines. It is indispensable for making proper angled cuts on roof rafters and stairs stringers.
  • the body is 24 inches (60.96 cm.) long and the tongue is 16 inches (40.64 cm.) long.
  • the traditional framing square is too large and cumbersome to be carried upon the body of the carpenter while the carpenter moves about. As a result, the framing square is often lost and misplaced. It is not unusual for a carpenter to spend significant time away from the carpenter's work area in order to find and retrieve the framing square.
  • a nail pouch is a small sack like device which fits around the waist of the carpenter. It is used to carry small tools and other objects, such as nails.
  • the traditional framing square will not fit within a nail pouch because of the size and shape of the framing square.
  • the present invention is directed to a device that satisfies this need.
  • the device comprises a body, a tongue and a body extension.
  • the body has a tongue end and a body extension end. It has a straight bottom edge. It also has a tongue end side edge and a body extension end side edge. The tongue end side edge is perpendicular to the bottom edge.
  • the body has a channel for receiving the tongue.
  • the tongue has a straight outer edge.
  • the tongue is shaped to fit within the channel.
  • the tongue is pivotally attached proximal to the tongue end of the body such that the tongue can be pivoted into a closed position substantially recessed within the channel.
  • the pivotal attachment is also adapted to allow the tongue to be pivoted into an open position such that the outer edge of the tongue and the tongue end side edge of the body are collinear. When in the open position the tongue and the body have the configuration of a traditional framing square.
  • the body extension has a straight bottom edge.
  • the body extension is pivotally attached proximal to the body extension end of the body such that the body extension may be pivoted into an open position. While in such an open position the body extension bottom edge is collinear with the bottom edge of the body. This effectively extends the length of the folding framing square body.
  • the pivotal attachment, the body, the channel and the body extension are also adapted to permit the body extension to be pivoted into a closed position. In the closed position the body extension substantially overlaps the body, as shown in Figure 3.
  • the folding framing square as described attains these objectives. It can be folded into a compact rectangular unit which easily fits within a nail pouch. It can then be unfolded into an operative framing square.
  • the body has a recess along its top edge. This will facilitate the grasping of the tongue when the tongue is within the channel of the body.
  • the body and the tongue may also have distance calibrations imprinted upon them.
  • the distance calibrations originate or terminate at either the vertex of the bottom edge of the body and outer edge of the tongue, while the tongue is in the open position, or, the vertex of the opposite edges of the body and the tongue, while the tongue is in the open position.
  • distance calibrations originate and terminate at both vertices.
  • the folding framing square further comprises a spring loaded ball bearing, an open position body extension detent and a closed position body extension detent.
  • the spring loaded ball bearing is positioned on the body extension end of the body.
  • the open position body extension detent is shaped to receive the ball bearing. This detent is positioned on the body extension such that the body extension may be releasably locked into the open position. While so locked the length of the body of the folding framing square is effectively lengthened.
  • the closed position body extension detent is also shaped to receive the ball bearing. This detent is positioned on the body such that the body extension may be releasably locked into the closed position. While so locked the body extension does not extend the length of the body.
  • Figure 1 is a perspective view of a folding framing square with the tongue and the body extension locked into an open position.
  • Figure 2 is a front view of the folding framing square of Figure 1 placed upon a workpiece.
  • Figure 3 is a front view of the folding framing square of Figure 1, wherein the tongue and the body extension have been folded into closed positions.
  • Figure 4 is a partially broken away view of the folding framing square of Figure 1 showing a spring forcing a lock into a cutout on the tongue, thereby locking the tongue into the open position.
  • Figure 5 is an exploded perspective view of the folding framing square of Figure 1.
  • Figure 6 is a front view of the tongue shown in Figure 5.
  • Figure 7 is a perspective view of the lock and spring shown in Figure 5.
  • Figure 8 is a front view of the bottom face of the body of the folding framing square of Figure 5.
  • Figure 9 is a front view of the spacer of the body of the folding framing square of
  • Figure 10 is a front view of the top face of the body of the folding framing square of
  • Figure 11 is a front view of the body extension of the folding framing square of
  • FIG. 1 The preferred embodiment of a folding framing square 20 is shown in Figure 1.
  • This version of the folding framing square 20 is comprised of a body 22, a tongue 54, a body extension 62, a lock 68, a spring 70 and a spring loaded ball bearing 72.
  • the body 22 is fabricated from aluminum. Other materials such as steel and plastic may also be used.
  • the body 22 is rectangular in shape. It has a tongue end 24 and a body extension end 26 on opposing sides. It has a straight bottom edge 28. Preferably, it has a straight top edge 30 which is parallel to the bottom edge 28.
  • a tongue end side edge 32 and a body extension end side edge 34 define two sides of the body 22.
  • the straight bottom edge 28 and the straight top edge 30 define the other two sides of the body 22.
  • the tongue end side edge 32 is perpendicular to the straight bottom edge 28.
  • the tongue end side edge 32 to form a right angle with the straight bottom edge 28 of the body 22, thereby taking the shape of the heel of a traditional framing square.
  • the body extension end side edge 34 is also perpendicular to the straight bottom edge 28 of the body 22, thereby facilitating the drawing of cutting lines upon a workpiece with this edge.
  • the body 22 has a channel 36 for receiving the tongue 54.
  • the body 22 is comprised of a top face 38, a bottom face 42 and a spacer 46.
  • the top face 38, the bottom face 42 and the spacer 46 are fabricated from aluminum and are rectangular in shape.
  • the top face 38 has a lock guide 40 for receiving the lock 68, as shown in Figure 10.
  • the bottom face 42 also has a lock guide 44 for receiving the lock 68, as shown in Figure 10.
  • the spacer 46 has a channel opening 48.
  • the channel opening 48 of the spacer 46 is shaped and sized to receive the tongue 54.
  • the spacer 46 has a lock guide 50 and a spring receptacle 52 for holding the lock 68 and the associated spring 70.
  • the spacer 46 is positioned between the top face 38 and the bottom face 42.
  • the lock guides 40, 44 and 50 of the top face 38, the bottom face 42 and the spacer 46, respectively, are aligned with each other.
  • the top face 38, the spacer 46 and the bottom face 42 are attached together, as shown in Figure 5, to form the body 22 and channel 36.
  • the tongue 54 should also be pivotally attached to the body as shown in Figure 5 and as described below. Suitable fasteners such as rivets are used to attach the top face 38, the bottom face 42 and the spacer together.
  • the tongue 54 is rectangular in shape and has a straight outer edge 58. It is fabricated from the same material as the body 22. Preferably, it also has a straight inner edge 56 which is parallel to the straight outer edge 58 of the tongue 54. This will permit the inner edge 56 of the tongue 54 and the straight top edge 30 of the body 22 to form a right angle, thereby allowing these edges to function as the corresponding edges of a traditional framing square.
  • the tongue 54 is shaped to fit within the channel 36 of the body 22.
  • the tongue 54 is pivotally attached, as shown in Figure 5, to the tongue end 24 of the body 22 such that the tongue 54 can be pivoted into a closed position or an open position. In the closed position the tongue 54 is substantially recessed within the channel 36 as shown in Figure 3.
  • the straight outer edge 58 of the tongue 54 and the tongue end side edge 24 of the body 22 are collinear, as shown in Figure 2.
  • the tongue 54 and the body 22 are configured as a framing square.
  • the tongue 54 has a cutout 60 at its pivotally attached end for receiving the lock 68.
  • the tongue 54 is pivotally attached to the tongue end 24 of the body 22 with a suitable fastener such as a rivet, a pivot pin or a Chicago screw.
  • the body extension 62 is fabricated from the same material as the body 22. It has a straight bottom edge 64. Preferably, it has a straight top edge 66 and has the same width dimension as the body 22. Thus, it would be capable of linearly extending both the straight bottom edge 28 and the straight top edge 30 of the body 22.
  • the body extension 62 is pivotally attached proximal to the body extension end 26 of the body 22, as shown in Figure 5, such that the body extension 62 may be pivoted into an open position or into a closed position. In the open position the body extension bottom edge 64 is collinear with the bottom edge 28 of the body 22, as shown in Figure 2, thereby effectively extending the body length of the folding framing square 20.
  • the body extension 62 In the closed position the body extension 62 substantially overlaps the body 22, as shown in Figure 3.
  • the folded framing square may be easily carried within a nail pouch or placed within a toolbox.
  • the unfolded framing square 20 functions as an operative framing square.
  • the body extension 62 is pivotally attached to the body extension end 26 of the body 22 with a suitable fastener such as a rivet, a pivot pin or a Chicago screw.
  • the lock 68 is shaped to fit within the cutout 60 of the tongue 54. It is positioned within the lock guides 40, 44, 50 of the body 22.
  • the spring 70 is positioned within the lock receptacle 52 of the body 22 below the lock 68 such that the spring 70 will force the lock 68 into the cutout 60 of the tongue 54 when the tongue 54 and the body 22 are perpendicular.
  • the tongue 54 and the body 22 When the tongue 54 and the body 22 are locked into a perpendicular position the tongue 54 and the body 22 function as an operative framing square.
  • the tongue 54 may be unlocked from the body 22 by depressing the lock 68, thereby freeing the tongue 54 for pivotal movement about its attachment point to the body 22.
  • a spring loaded ball bearing 72 is positioned on the body 22 and two detents 76, 78 are formed onto the body extension 62.
  • the spring loaded ball bearing 72 is positioned on the body extension end 26 of the body 22, facing the body extension 62.
  • the spring loaded ball bearing 72 is forced outward from the body 22 by a ball bearing spring 74.
  • An open position body extension detent 78 is shaped to receive the spring loaded ball bearing 72 and is positioned on the body extension 62 such that the body extension may be releasably locked into the open position by the spring loaded ball bearing 72.
  • a closed position body extension detent 76 is shaped to receive the spring loaded ball bearing 72 and is positioned on the body extension 62 such that the body extension 62 may be releasably locked into the closed position by the spring loaded ball bearing 72.
  • the body 22 has a recess 37 centered along its top edge 30.
  • the recess is a recess 37 centered along its top edge 30.
  • the body 22 and the tongue 54 may also have distance calibrations 53 imprinted upon them.
  • the distance calibrations 53 originate or terminate at either the vertex of the bottom edge 28 of the body 22 and outer edge 58 of the tongue, while the tongue 54 is in the open position, or, the vertex of the opposite edges 30, 56 of the body 22 and tongue 54, while the tongue 54 is in the open position.
  • the distance calibrations 53 may originate and terminate at both vertices.
  • the distance calibrations 53 facilitate laying out straight measured cutting lines and making proper angled cuts on roof rafters and stairs stringers.
  • the tongue 54 When it is desired to store or carry the folding framing square 20, the tongue 54 is folded into the closed position into the channel 36 of the body 22, as shown in Figure 3.
  • the tongue 54 may be unlocked by depressing the lock 68.
  • the body extension 62 is folded into the locked position such that the body extension 62 does not extend the length of the body 22, as shown in Figure 3.
  • a small manual force will be required to release the spring loaded ball bearing 72 from the open position body extension detent 78.
  • the tongue 54 is locked into the open position perpendicular to the body 22 and the body extension 62 is locked into the open position, such that the straight bottom edge 64 of the body extension 62 is collinear with the straight bottom edge 28 of the body 22, as shown in Figure 1.
  • the tongue 54 may be easily pivoted out of the channel 36 by grasping the tongue 54 at the recess 37 of the body 22.
  • the spring 70 will force the lock 68 into the cutout 60 of the tongue 54, thereby locking the tongue 54 perpendicular to the body 22 forming an operative framing square.
  • the folding framing square 20 functions as an operative framing square. It may be placed upon a workpiece 80 for drawing straight lines thereon, as shown in Figure 2. It may also be used to perform all other functions performed by a traditional framing square.
  • the primary advantage of the folding framing square is that it may be folded into a small compact unit which will easily fit within a carpenter's nail pouch, a toolbox, a bucket or other container. Thus a carpenter can easily carry the folded framing square on his or her person while moving about the workplace. When a job requires the use of a framing square, the folded framing square may be unfolded and used as a fully operative framing square.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

La présente invention concerne une équerre de charpente pliante qui comprend un corps, une languette et un prolongement de corps. La languette et le prolongement de corps sont fixés de façon pivotante à des extrémités opposées du corps. La languette et le prolongement de corps peuvent être pliés dans une position fermée qui forme une unité rectangulaire de petite taille facile à transporter. La languette et le prolongement de corps peuvent également être pliés et verrouillés dans une position ouverte qui forme une équerre de charpente opérationnelle.
PCT/IB2006/051309 2006-04-26 2006-04-26 Equerre de charpente pliante WO2007122455A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/051309 WO2007122455A1 (fr) 2006-04-26 2006-04-26 Equerre de charpente pliante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/051309 WO2007122455A1 (fr) 2006-04-26 2006-04-26 Equerre de charpente pliante

Publications (1)

Publication Number Publication Date
WO2007122455A1 true WO2007122455A1 (fr) 2007-11-01

Family

ID=38624590

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051309 WO2007122455A1 (fr) 2006-04-26 2006-04-26 Equerre de charpente pliante

Country Status (1)

Country Link
WO (1) WO2007122455A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8171651B2 (en) 2008-02-19 2012-05-08 James Williams Squareness testing instruments and methods of operation thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US978525A (en) * 1909-10-02 1910-12-13 David Elmer Werts Rule.
US1015877A (en) * 1909-05-17 1912-01-30 Samuel W Du Mouchel Combination-tool.
US4446627A (en) * 1981-09-21 1984-05-08 Bengt Persson Arrangement in angle rulers for improving fixture of an angularly adjustable blade of said rulers to the stock thereof in selected blade positions relative thereto
US4770559A (en) * 1987-03-31 1988-09-13 Myung Ho Kim Positioning joint for folding ladders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1015877A (en) * 1909-05-17 1912-01-30 Samuel W Du Mouchel Combination-tool.
US978525A (en) * 1909-10-02 1910-12-13 David Elmer Werts Rule.
US4446627A (en) * 1981-09-21 1984-05-08 Bengt Persson Arrangement in angle rulers for improving fixture of an angularly adjustable blade of said rulers to the stock thereof in selected blade positions relative thereto
US4770559A (en) * 1987-03-31 1988-09-13 Myung Ho Kim Positioning joint for folding ladders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8171651B2 (en) 2008-02-19 2012-05-08 James Williams Squareness testing instruments and methods of operation thereof

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