US114634A - Improvement in adjustable try-squares - Google Patents
Improvement in adjustable try-squares Download PDFInfo
- Publication number
- US114634A US114634A US114634DA US114634A US 114634 A US114634 A US 114634A US 114634D A US114634D A US 114634DA US 114634 A US114634 A US 114634A
- Authority
- US
- United States
- Prior art keywords
- blade
- try
- squares
- improvement
- stock
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000005192 partition Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
Images
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
- B43L7/14—Square and sliding straight edges
Definitions
- Figure 2 represents in perspective the cap or cover separated from the body of the square.
- My invention consists in casting or otherwise rigidly fastening within the recess or box of the stock or body of the try-square walls or partitions, to which the blade is pivoted, and by means of two screws'in or through which, and bearing against said blade'on opposite sides of the pivot, the .blade may be set and held in any desired position with regard to said stock or body, 'as will be explained.
- A' represents the body or stock of the try-square, which may be ot'xcast metal, .and hollow or of a box form, so as. to readily reach the interior for the purposes of adjustment;
- B represents a cover for inclosing' the box, which 'cover sits'down neatly within the sides and ends of the stock, and may be held by a screw or screws or any other suitable and controllable. fastening.
- Within the hollow space of the body or stock A are cast or otherwise securely fastened the walls or parti tions a b, and in a suitable slot in one end of said stock is.fitted the blade 0, which is pivoted or riveted by a pin, 0,. passing through the wall or partition a and the back of the stock A, and so that said blade may have a slight movement on,said pin sufficient for its set or adjustment, but he firm laterally.
- partition b Through the wall or, partition b are passed two setscrews, e e, one on each side of the plane of the pivot or pin 0, the points of said set-screws bearing against the edge" f of the. blade C, so that, by backing one screw and runningup the other one, the blade may bemoved on its rivet or pin and be firmly held at the desired position.
- Thescrew's e e pass freely through the wall or partition b, and their threads work in threaded nuts 13 5, between said wall and the edge f of the blade C, the points of the screws pressing against said edges.
- the screws thus placed bear against each other, and so prevent each other from turning or becoming loose.
- the blade may be adjustedlor set, and firmly held when so adjusted, or reset at pleasure, the screws acting like jam-nuts to each other to prevent them from turning or becoming loosened by jarrings or otherwise.
Description
L. BAILEY.
Improvement in Adjustable Try-Squares.
No. 114,634, Patented May 9,1871.
AM, Mwa-zmms/MH/w mm [assumes M00555.)
fitnitet %iatzz LEONARD BAILEY, OF NEW BRITAIN. CONNECTICUT.
Letters Patent No. 114,634, dated May 9, 1871.
IMPROVEMENT IN ADJUSTABLE TRY-SQUARES.
The Schedule referred to in these Letters Patent and making part of the same.
To all whom it may concern-.-
Be it known that I, LEONARD BAILEY, of New Britain, in the county of Hartford and State of Connecticut, have'invented certain new and useful Improvements in Adjustable Try-Squares; and I do hereby declare the following to'be a full, clear, and exact description of the same, reference being bad to the accompanying drawings making a part of this specification, in which-- I Figure 1 represents a perspective try-square, with the cap or cover removed to show the arrangement of the adjusting devices within the body of the square; and
Figure 2 represents in perspective the cap or cover separated from the body of the square.
I am aware that many devices have been essayed for adjusting the blade of a try-square to the body thereof, and among them set-screws bearing against a long right-angled projection attached to the blade, but from their complicated nature, expense, or uncertainty of holding their adjustment, they have failed to go into general use, though a much-desired instrument. I
have succeeded in making a cheap and reliable a'djnstment of try-square-blades, and of simple structure; and
My invention consists in casting or otherwise rigidly fastening within the recess or box of the stock or body of the try-square walls or partitions, to which the blade is pivoted, and by means of two screws'in or through which, and bearing against said blade'on opposite sides of the pivot, the .blade may be set and held in any desired position with regard to said stock or body, 'as will be explained.
To enable others skilled in the art to make and use my invent-ion, I will proceed to describe the same by reference to the drawings.
A'represents the body or stock of the try-square, which may be ot'xcast metal, .and hollow or of a box form, so as. to readily reach the interior for the purposes of adjustment; and
B represents a cover for inclosing' the box, which 'cover sits'down neatly within the sides and ends of the stock, and may be held by a screw or screws or any other suitable and controllable. fastening. Within the hollow space of the body or stock A are cast or otherwise securely fastened the walls or parti tions a b, and in a suitable slot in one end of said stock is.fitted the blade 0, which is pivoted or riveted by a pin, 0,. passing through the wall or partition a and the back of the stock A, and so that said blade may have a slight movement on,said pin sufficient for its set or adjustment, but he firm laterally.
Through the wall or, partition b are passed two setscrews, e e, one on each side of the plane of the pivot or pin 0, the points of said set-screws bearing against the edge" f of the. blade C, so that, by backing one screw and runningup the other one, the blade may bemoved on its rivet or pin and be firmly held at the desired position. v
Thescrew's e e pass freely through the wall or partition b, and their threads work in threaded nuts 13 5, between said wall and the edge f of the blade C, the points of the screws pressing against said edges. The screws thus placed bear against each other, and so prevent each other from turning or becoming loose. By these devices the blade may be adjustedlor set, and firmly held when so adjusted, or reset at pleasure, the screws acting like jam-nuts to each other to prevent them from turning or becoming loosened by jarrings or otherwise.
Having thus fully described my invention,
What I claim, and desire to secure by Letters Patent, is-- In combination with .a recessed stock A, with its cover and wallsor partitions a b, and the blade C, fitted therein, the set-screws e e, passing loosely through the wall 12 and then through the screw-nuts t i and against the edge of the blade .C, by which said blade may be adjusted and then firmly held to said stock in its adjusted position,'as described and represented.
LEONARD BAILEY. Witnesses:
MERRITT Bnonson,
HENRY NASH.
Publications (1)
Publication Number | Publication Date |
---|---|
US114634A true US114634A (en) | 1871-05-09 |
Family
ID=2184096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US114634D Expired - Lifetime US114634A (en) | Improvement in adjustable try-squares |
Country Status (1)
Country | Link |
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US (1) | US114634A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3381379A (en) * | 1966-03-18 | 1968-05-07 | Robert F. Fergen | Folding batter boards |
-
0
- US US114634D patent/US114634A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3381379A (en) * | 1966-03-18 | 1968-05-07 | Robert F. Fergen | Folding batter boards |
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