Tool driving or impacting – Drive controlled by relative axial movement of tool
Patent
1988-01-14
1989-07-11
Yost, Frank T.
Tool driving or impacting
Drive controlled by relative axial movement of tool
29253, 173 90, B23Q 5033
Patent
active
048462870
DESCRIPTION:
BRIEF SUMMARY
FIELD OF INVENTION AND PRIOR ART
This invention is related to an impact apparatus according to the preamble of claim 1. The apparatus may for instance be used for moving portions of two elements away from each other and comprises then a wedge like tool, which is introducable between said portions. The elements may in practice be consituted by tool elements, e.g. such which comprises conical surfaces interacting for locking purposes. The interlocking of the tool elements becomes as a rule very firm after some period of use, in particular if the conical surfaces during use are firmly pressed into engagement with each other. For the rest, the apparatus may be used in many instances, where impact application is required. As additional examples, it can be mentioned that the transfer member could be coordinated or designed with impact application members in the form of impact caps, punches, coining members, stamping members and the like. Generally speaking, the apparatus is intended for use for application of impacts on work pieces within the mechanical field, in particular mechanical work shops and the mechanical industry.
Many other impact apparatus within this field are previously known. However, they suffer from the disadvantage of either requiring manual activation of the impact operation by means of particular operating members or providing a deficient coordination of impact application with the impact need.
In U.S. Pat. No. 3,273,657, an impact apparatus according to the preamble of claim 1 is disclosed, but this apparatus is intended for immobilization and slaughter of animals and designed for producing impacts with a constant impact energy.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an impact apparatus which is so designed that the operator without having to manipulate control components or the like can determine the impact force produced by the apparatus by varying the application of the impact apparatus and the work piece against each other.
This object is achieved in accordance with the invention by the features defined in the characterizing portion of claim 1. Accordingly, if the impact apparatus and the work piece are applied relatively carefully against each other an impact with a relatively low energy is obtained. If however the impact apparatus and the work piece are applied more forcefully or rapidly against each other, an impact is obtained with a higher energy. In this way, the operator may control impact force application in an extremely simple way.
Further advantageous designs of the apparatus are subject of the dependent claims.
BRIEF DESCRIPTION OF THE DRAWINGS
With reference to the appended drawings, a more specific disclosure of an embodiment example according to the invention follows hereinafter.
In the drawings:
FIG. 1 is a perspective view of the apparatus;
FIG. 2 is a section through the apparatus viewed in its starting position;
FIG. 3 is a section perpendicular to the section in FIG. 2 and illustrating the apparatus just at the time for exerting an impact;
FIG. 4 is a perspective view of the wedge tool; and
FIG. 5 is an exploded view illustrating the device for securing the wedge tool to its carrier.
DETAILED DISCLOSURE OF A PREFERRED EMBODIMENT
The impact apparatus will hereinafter be exemplified as used with a certain type of tool. However, the impact apparatus may be used in any connection where impact exertion is required with other types of tools.
As appears from FIGS. 1 and 3, the apparatus according to the invention comprises a wedge like tool 1 introducable between portions 2, 3 of two elements 4, 5. These elements are preferably constituted by tool elements. The tool element 4 may at its left, omitted end carry working members, such as cutting edges for boring, milling etc. The tool element 5 may serve for securing element 4 in an associated machine and may present an exteriorly conical surface 6 fitting in a corresponding female conical recess in the machine. The elements 4 and 5 may be secured to each other by the element 4 comp
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Wolfe James L.
Yost Frank T.
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