US13237A - Gage for stair-bails - Google Patents

Gage for stair-bails Download PDF

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Publication number
US13237A
US13237A US13237DA US13237A US 13237 A US13237 A US 13237A US 13237D A US13237D A US 13237DA US 13237 A US13237 A US 13237A
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United States
Prior art keywords
gage
stair
guide
stock
bails
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00Straightedges
    • B43L7/10Plural straightedges relatively movable
    • B43L7/12Square and pivoted straightedges

Description

` UNITED sTATEs PATENT oEEicE.
C. M. SWANY, OF RICHMOND, INDIANA.
GAGE FOR STAIR-RAILS.
f Specification of Letters PatentiNo. 13,237, dated July 10, 1855.
To all lwho-m it may concarfn:
Be it known that I, CHARLES M. SWANY,
of Richmond, in the county of Wayne and.
State of Indiana, have invented a new and Improved Gage to be Used in the Construction of Stair-Rails; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specication, in which- Figure l, is a face view of my improvement. Fig. 2, is a transverse section of ditto, taken at the line, w, Fig. l.
Similar letters of reference indicate corresponding parts in the two figures.
`'Ihe nature of my invention consists in the employment of adjustable spring pencils in combination with a yielding guide, the pencils and guide being attached to a proper stock as will be presently shown and described.
This implement is intended to gage the curved portions or wreaths of stair rails, to an equal thickness, so that workmen may square the same or reduce it to the proper size or proportion.
A, represents a flat bar or stock of a suitable length and width, and having an oblong or longitudinal slot, a, made through it. One end of the bar or stock is provided with a handle B, as shown in Fig. l.
B, B, represent thecylindrioal tubes or cases which are attached to the face or side of the bar or stock A, by-set screws b, which pass through the slot, a, in the bar or stock A, and by which the tubes or cases may be set the required distance apart. Within each tube. or case B, there is placed a spiral spring C, and a pencil D. The springs C, are placed between the upper ends of the pencils D, and the lower ends of screws E, which 'are inserted in the upper ends of the tubes or cases B, B.
To one end of the bar or stock A, there is attached by a set screw, c, a vertical strip, d, which projectsoutwand at right angles from the bar or stock A. To the lower end of this vertical strip, d, there is attached a guide F, said guide being formed of a plate and having a shaft or pin, e, passing through its upper part, said shaft or pin passing through pendents, f, f, at the lower end of the strip d. To the outer side of the strip, d, there is attached a spring, g, the lower end of which bears against the back of the guide F, see Fig. l.
lIhe implement or tool is used in the following manner. The two tubes or cases B, B, are set the required distance apart, by adjusting the set screws, b, b, and the front or face of the guide F, is placed against the side of the stair rail designated by Gr. The springs C, C, press the points of the pencils D, D, upon the face of the work or rail G, and by moving the tool along, two lines are described at the same time at equal distances apart. In consequence of the guide F, yielding or moving it will conform to the variable inclination of the side of the rail, it being understood that at the curves or wreaths the position of the side varies, and in a somewhat spiral manner, and if the gage were not enabled to conform to the variation, the implementwould be valueless.
The implement is extremely simple and enables a workman to square or dress the rail in proper form, without making the guide lines from a center, as is now practised.
I do not claim the adjustable spring pencils separately, for they or their equivalents have been previously used, but
What I claim as new and desire to secure by Letters Patent, is-
rlhe combination of the yielding or movable gage F, and adjustable spring pencils D, D, arranged as herein shown, and for the purpose as set forth.
CHARLES M. SWANY.
IVitnesses:
RICHARD EsTELL, SAMUEL F. EsTELL.
US13237D Gage for stair-bails Expired - Lifetime US13237A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498397A (en) * 1946-10-10 1950-02-21 Walter J Daly Tool for sheet metal workers
US3157950A (en) * 1961-06-15 1964-11-24 Lee G Duncan Device for simultaneously ruling a plurality of lines
US20070277738A1 (en) * 2006-04-21 2007-12-06 Dentsbier William M Pet watering device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498397A (en) * 1946-10-10 1950-02-21 Walter J Daly Tool for sheet metal workers
US3157950A (en) * 1961-06-15 1964-11-24 Lee G Duncan Device for simultaneously ruling a plurality of lines
US20070277738A1 (en) * 2006-04-21 2007-12-06 Dentsbier William M Pet watering device

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