US1967562A - Handle-fastening of tools - Google Patents

Description

July 24, 1934. w. PlEL 1,967,562

HANDLE FASTENING OF TOOLS Filed May 13, 1932 g I I VIIIIL 6.

" III/Ill m In venfo%i!zrn I Patented July 24, 19 34 our 1,967,562 HANDLE-FASTENING or rooms Werner Pie], Langensalza, Germany Application 2 Claims.

An application has been filed in Germany April 14, 1932. This invention relates to improvements in handle fastenings of tools of all kinds, particularly 5 hatchets, axes and hammers, although it can be used in connection with household tools or those for agricultural or industrial uses.

It is an object of this invention to provide a tool handle which will maintain the handle and head of the tool against accidental disassociation and it is of a nature which will hold the head against the development of lost motion and loosemng.

It is another object of the invention to provide pensate for wear, shrinkage or other developments which might afiect the emciencyand durability of the tool.

With the foregoing and other objects in view, the invention consists in the details of construction, and in the arrangement and combination of parts to be hereinafter more fully set forth and claimed. Y f

In describing the invention in detail, reference will be had to the accompanying drawing forming part of this application, wherein like characters denote corresponding parts in the several views and in which- Figure 1 illustrates a view in elevation of a 3 0 hatchet with the handle partly in section havin means for adjusting the means by which the head and handle are held'assembled;

Figure 2 illustrates a view on the line 1 2 oi Figure 1; V

Figure 3 illustrates a. perspective view 01 the head-engaging element and a shaft or rod to which it is connected;

Figure 4 illustrates a sectional view 01' a iragment of the handle and rod, showing a different 40 means of adjusting the same;

Figure 5 illustrates a view. in elevation of a hammer with a different means for holding the hammer head on the handle, the handle being partly in section; Flgurefi illustrates a sectional view on the line 3-4ofFigure 5; and

Figure Tillustrates a perspective view of the head engaging member and a rod associated therewith.

In this drawing a denotes ahatchethead, b

a handle applied thereto, the said handle having a. longitudinally extending hole or channel a terminating in an enlarged recess a? at its'end. A rod e with a. threaded outer end extends through the channel and it has on its end opposite the means whereby adjustment may be made to com- May 13, 1932,. Serial No. 613.3% Germany April 14, 1932 threaded end a plate 9 with flanges n and a that embrace the head of the tool. A nut ,f is threaded on the rod and a lock washer i on the rod engages the nut and holds it at different positions of adjustment. By means of the nut, lost motion may be corrected for it may he threaded to pull the plate g into engagement with the head and thus draw the head more firmly on the handle. 7 Figure 4 embodies a. modification in which the nut f is threaded on the rod and there is interposed between the nut and the end wall of the recess a; a spring k which-encircles the rod and by this means, the rod is always under the influence of the spring andoi course an adjustment of the nut f can be made to increase the-iorce of the spring.

That term of the invention shown in Figure 5 includes a handled having a channel for the threaded rod e and a nut j is threaded on the rod so that the pull on the rod may be adjusted.

' The member 0 may be in the nature of a hammer head, ax, orhatchet bladeor in fact any of the well known implements used in connection with. the industries to which reference has been made. A plate his connected to the rod e and it has resilient extensions, two of which, I and m, are oppositely disposed and are intended to project longitudinally oi the head and to bear thereagainst on opposite sides of the eye of thehead. The plate is also provided with opposed trans-- versely extending projections 12 and q which overlie-a. portion 01' the sides of the head and the relation of parts is-such that the distance between the lateral projections is less than the width of the head in order that the said extensions which are integral with the plate and which are resilient in character bear against the sides of the head and prevent displacement of the plate. The extensions 1 and m are resilient also and their resiliency is relied upon' to maintain the head under such pressure as-to prevent loosene'ss oi the joint between the head and handle. The rod may be secured to the plate in any appropriate way, 1

but since this is not a material detail or construction, it is not described with minuteness. I claim:

1. In a handle fastening for tools, a handle having a longitudinal here on which the tool is mounted, a screw-threaded shaft arranged in the said longitudinalbore,

shaft, laterally embracing the head of the tool and yielda resilient head on the said said head having tongue shaped portions and a member threaded on the shaft operative to exert a pull of the said head on the said tool.

2. In a handle fastening for tools, a handle having a longitudinal bore on which the tool is mounted, a screw-threaded. shaft'arranged in the said longitudinal bore, a resilient plate forming a head mounted on said shaft externally of the tool and yieldably bearing thereagainst; the said WERNER PIEL.

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