US2649784A

US2649784A - Ruler gauge

Info

Publication number: US2649784A
Application number: US342615A
Authority: US
Inventors: Leo J Klimek
Original assignee: Individual
Current assignee: Individual
Priority date: 1953-03-16
Filing date: 1953-03-16
Publication date: 1953-08-25
Anticipated expiration: 1970-08-25

Description

Aug. 5, 1953 J. KLIMEK 2,649,784

4 RULER GAUGE Filed March 16, 1955 Leo J. K/imek 'INVENTOR.

Patented Aug. 25, 1953 UNITED STATES PATENT OFFICE RULER GAUGE Leo J. Klimek, Sauk Centre, Minn.

Application March 16, 1953, Serial No. 342,615

1 This invention relates to new and useful improvements in ruler gauges and the primary object of the present invention is to provide a ruler gauge having novel and improved ruler retaining means over that disclosed in my U. S. Patent No. 2,606,371, issued August 12, 1952.

Another important object of the present invention is to provide a ruler attachment including a housing member that will accommodate one end of a ruler together with a quickly adjustable clamping element that will releasably retain the one end of a ruler positioned within the housing portion of the attachment.

A further object of the present invention is to provide a ruler gauge including a housing member that will accommodate one end of a ruler and a longitudinally toothed pressure element engageable with a spring arm, which pressure element will clampingly retain one end of the ruler against the bottom wall of the housing.

A still further aim of the present invention is to provide a ruler attachment that is extremely simple and practical in construction, strong and reliable in use, efficient and durable in operation, small and compact in structure, inexpensive to manufacture, and otherwise well adapted for the purposes for which the same is intended.

These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming a part hereof, wherein like numerals refer to like parts throughout, and in which: 7

Figure 1 is a fragmentary perspective view of the present invention;

Figure 2 is a fragmentary longitudinal vertical sectional view taken substantially on the plane of section line 2-2 of Figure 1; s

Figure 3 is a fragmentary horizontal sectional view taken substantially on the plane of section line 33 of Figure 2 and showing the pressure element lockingly engaged with the spring arm;

Figure 4 is a view similar to Figure 3 but showing the pressure element rotated 90 to release the spring arm; and

Figure 5 is a perspective view of the casing which is secured to the housing and which slidably and rotatably supports the pressure element.

Referring now to the drawings in detail, wherein for the purpose of illustration, there is disclosed a preferred embodiment of the present invention, the numeral l0 represents an elongated housing having open ends, an upper wall 4 Claims. (01. 33173) [2, a lower Wall 14 and side walls 16 and I8 joining said upper and lower walls. An angle base member 20 is removably carried by the housing Ill and includes relatively

perpendicular flanges

22 and 24.

Flange 22 of base member 20 overlies a protractor 26 suitably fixed to the upper Wall l2 at one end thereof. Wall I2 and flange 22 areprovided with registering apertures 28 and 30 that accommodate the threaded shank 32 of a headed fastener 34 which also extends upwardly through an aperture in the protractor. The head portion of fastener 34 rests against the lower face of wall l2 and the shank 32 receivably engages a nut 36 that engages the upper face of flange 22 to pivotall adjust the base member 20 relative to the housing I 0, which pivotal adjustment is indicated by a pointer 38 on flange 22 registering with the graduations of protractor 26.

An open bottom substantially channel shaped casing 40 overlies wall l2 and its side walls are formed with outwardly turned attaching flanges 42 that extend downwardly through an opening 44 in wall l2 to engage the underside of wall l2 and thereby retain the casing attached to the housing.

The top wall of casing 40 is provided with an opening 46 that registers with opening 44. A pressure element 48 is slidably and rotatably positioned in the

openings

44 and 46 and includes a lower flat end portion 50 for movement toward and away from the lower wall I4. The upper end of pressure element 48 supports a knurled surfaced finger grip 52, whereby the pressure element 48 may be adjusted relative to wall M.

The shank portion 54 of pressure element 48 is provided with a series of longitudinally spaced upwardlv tapering teeth 56 for en a i the f ee end portion of a spring arm 58 secured to the casing 40. The pressure element 48 mav be rotated slightly in order to disen age the teeth from the spring arm as shown in Figure 4 of the drawings.

One end of a conventional folding ruler 60 is received in the end of the housing In remote from the end of the casing facing the flange 24 of base member 20. Then, the pressure element 48 is rotated and moved downwardly until end portion 50 clamps the ruler 60 against lower wall l4, after which pressure element 48 is rotated to engage the spring arm 58 against the upper straight edge of a tooth 56. Next, nut 36 is loosened and the base member 26' is pivoted to a desired angle relative to housing In after which the nut 36 is tightened to retain the angular adjustment between base member 20 and housing l0.

Concavo-convexed spring members 62 and 64 are secured at one of their ends to the inner face of side wall l8 and the convex surfaces of the spring members engage one edge of ruler 60 to yieldingly urge the ruler against side wall [6.

Means is provided for converting the ruler into a compass or similar instrument for scribing arcs and circles. This means comprises a casing 66 oirset from and suitably secured to side wall IE. As disclosed more specifically in my above referred to patent, the casing 56 slidably supports a spring raised plunger 68 whose lower end is pointed to penetrate paper underlying the ruler as the plunger is depressed, whereby a scriber may be held against one edge of the ruler 69 and the housing IE pivoted about the lower end of the plunger 68 as a pivot point.

From the foregoing, the construction and operation of the device will be readily understood and further explanation is believed to be unnecessary. However, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction shown and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the appended claims.

What is claimed as new is as follows:

1. A ruler attachment comprising an elongated, open ended housing, an angle base member having one flange overlying one end of said housing and being pivotally adjustably secured to said housing, and means carried by said housing for clampingly retaining a ruler in the housing, said means comprising a guide casing engaging the housing, said housing having an opening facing the casing, a pressure element slidably carried by the casing and extending through the opening and into the housing, and means carried by said casing engaging the pressure element to retain the same against sliding movement.

2. A ruler attachment comprising an elongated, open ended housing, an angle base member having one flange overlying one end of said housing and being pivotally adjustably secured to said housing, and means carried by said housing for clampingly retaining a ruler in the housing, said means comprising a guide casing engaging the housing, said housing having an opening facing the casing, a pressure element slidably carried by the casing and extending through the opening and into the housing, said pressure element having a shank portion provided with a series of longitudinally spaced teeth, and means secured to the casing and engageable between adjacent teeth on said shank portion to retain the pressure element adjusted relative to the casing.

3. A ruler attachment comprising an elongated, open ended housing, an angle base member having one flange overlying one end of said housing and being pivotally adjustably secured to said housing, and means carried by said housing for clampingly retaining a ruler in the housing, said means comprising a guide casing engaging the housing, said housing having an opening facing the casing, a pressure element slidably carried by the casing and extending through the opening and into the housing, said pressure element having a shank portion provided with a series of longitudinally spaced teeth, and a spring arm secured to said casing and having an end portion engageable between adjacent teeth on said shank portion to retain the pressure element adjusted relative to the casing.

4. A ruler attachment comprising an elongated substantially rectangular housing having open ends, an upper wall and a lower wall, an angle base member having one flange overlying said upper wall at one end and being pivotally adjustably secured to said upper wall, an open bottom casing overlying said upper wall and secured thereto, said upper wall and said casing having openings in registry with each other, a pressure bolt having a shank portion slidably and rotatably received in said openings and movable toward and away from said lower wall, longitudinally spaced teeth on said shank portion, and a spring arm secured to said casing and having an end portion engageable between adjacent teeth to retain the pressure element adjusted relative to said lower wall, said pressure element being rotated to permit the spring arm to clear the teeth whereupon the pressure element may be moved longitudinally.

LEO J. KLIMEK.

No references cited.