US 777411 A
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Description (OCR text may contain errors)
PATENTED DEC. 13, 1904.
5. O. HALL.
APPLICATION FILED mum. 1904v NO MODEL.
J @Hozucu llnurnn STATES Patented December 13, 1904:.
Patent PUTTY-KNlFEn SPECIFICATION forming part of Letters Patent No. 777,411, dated December 13, 190%. Application filed January 21, 1904. Serial No. 189,987. (No model.)
1'0 (06/ w/tom it may concern:
Be it known that I, J AMES 0. HALL, a citizen of the United States, and a resident of Phoenix, in the county of Maricopa and Territory of Arizona, have made a certain new and useful Invention in Putty-Knives; and I de clare the following to be a full, clear, and exact description of the same, such as will enable others skilled in the art to which it appertains to make and use the invention, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
Figure 1 is a plan view of my knife. Fig. 2 is a side view of the same. Fig, 3 is a section on the line 3 8, Fig. 1. Fig. 4; is a perspective view of the knife frame or skeleton.
The invention has relation to putty-knives for the use of glaziers; and it consists in the novel construction and combinations of parts,
as hereinafter set forth.
The object is to provide a glaziers tool which will be found useful in that portion of his work which takes up the most of his timethat is to say, in setting panes of glass in win- (low-sashes.
In the accompanying drawings, illustrating the invention, the letter a designates the skeleton of the knife, consisting of the handle portion a and the truncated blade 6, the sides of which are gradually divergent from its root to the broad working edge. The blade is therefore isometric and the corners of its working edge are acute and annularly similar. The blade is usually a little shorter than the handle portion. The parts a and 7) are formed in one piece, and the web 0 of the handle portion is about as thick as the root of the blade, the latter becoming thinner toward its broad terminal edge in the usual manner. At the junction of the knife with the handle portion is formed on each side a lug or enlargement cl, having at the middle of the instrument a plane low-beveled shoulders, joining the blade at a low angle of usually about one hundred and fifty degrees. The other end of the lug is at right angles, or nearly so, to the web, forming an abrupt shoulder 0, against which one end of the filler-piecef of the handle abuts when in position. At the other end of the web is formed the boss 9, having on each side an abrupt shoulder in at right angles, or nearly so, to the web and designed to abut against the other end of the filler-piece of the handle. A perforation is provided at K: through the web for the rivet m, which secures the filler,- piece of the handle in position. at the end of the handle is formed with four bevel-faces, meeting ai'lgularly or cornerwise, so that its end portion hasatruncated pyramidal shape, terminating in a plain rectangular hammer-face at right angles to the axial line of the handle, as indicated at 25. This hammer-boss being solid with the web, the shoulder-lugs, and the blade, the skeleton is designed to make the tool lirm and weighty, so that it will serve an excellent purpose in fastening the small points and tacks which glaziers use in position. the bevel of the boss being suflicient to enable the tool to reach readily into the angles of the sash. The shoulder-lugs and the hammer-boss are of about the same length, being about one-third the length of the web between them, and the low obtuse bevels of the shoulder-lugs reduce their weight in comparison with that of the boss, so that the tool has its center of gravity in the handle portion near said lugs and is well balanced for shifting in reversing its position in the hand. By means of these bevel-lugs the blade portion is braced and strengthened at its root.
In using the instrument to apply the putty the low plane bevel of the shoulder-lug provides a smooth broad hearing at a suitable angle for the end of the pressure-linger designed to obviate the painful effect on the delicate nerves of protracted contact with salient projections.
The handle is designed to be straight between its beveled end portions, but is of rounded contour, so that its adjustment in the hand is very easy, whether such adjustment be axial or longitudinal, and in reversing the instrument by manipulation between the iingers the broad bevels of the middle shoulderlugs serve an excellent purpose.
The boss 7.
Having described this invention, What I and in connection therewith, the lateral fillerclaim, and desire to secure by Letters Patent, pieces of said handle,substantially as specified. I0 is In testimony whereof I aflix my signature in The putty-knife, having entire the shortisopresence of tWo Witnesses. 5 metric truncated blade, the handle-Web, the
low-bevel shoulder-lugs and the four-bevel end Witnesses: boss terminating in the rectangular hammer E. E. POWERS, end at right angles to the axis of the handle, WM. G. LENTZ.
JAMES O. HALL.