Joints and connections – Manually releaseable latch type – Having operating mechanism
Patent
1992-07-14
1994-04-12
Reese, Randolph A.
Joints and connections
Manually releaseable latch type
Having operating mechanism
403374, 4034091, 403 17, B23B 4700
Patent
active
053020456
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION AND PRIOR ART
This invention is related to a device for releasable connection of two members according to the precharacterizing part of the enclosed claim 1. The first member is in particular formed by a feed member, which is movable along a guide in the form of a column or the like, the second member forming or carrying a machine tool member, for instance a boring machine member.
A device according to the precharacterizing part of claim 1 has been invented before by the applicant in the present application and this known device is disclosed in the Swedish patent No. 8105607-9 (445 982). The known device involves the advantage that the feed member and the boring machine member are separable into two separate units, which considerably simplifies handling and transport of the boring assembly.
When making holes in for instance building parts, such as floor structures, walls and the like, it is often necessary to carry out boring not only in one direction along the guide of the boring assembly but also in the other opposite direction. The known device then necessitates dismantling of the column guide, separation of the feed member and boring machine member, removal of the feed member from the column guide, mounting of the feed member on the column guide in a position rotated 180.degree., retightening of the column guide and finally location of the boring machine member on the feed member. Such work operations are highly tiresome and time consuming.
SUMMARY OF THE INVENTION
The object of the present invention is to develop the device according to the precharacterizing part of the enclosed claim 1 so that the two members, for instance a feed member and a boring machine member to a boring assembly, become mutually connectable in two relative positions, between which the members are rotated 180.degree. relative to each other.
This object is according to the invention achieved by providing the device with features more closely defined in the characterizing part of claim 1.
Preferable developments of the device according to the invention are defined in the dependent claims.
BRIEF DESCRIPTION OF THE DRAWINGS
With reference to the enclosed drawings, a more specific description of an embodiment of the invention cited as an example will follow hereinafter.
In the drawings;
FIG. 1 is a diagrammatical perspective view illustrating a boring assembly, on which the device according to the invention is used,
FIG. 2 is an enlarged detail view viewed obliquely from the left in FIG. 1 of the connection region between a feed member and a boring machine member of the boring assembly;
FIG. 3 is an enlarged perspective view of a part of FIG. 1, the feed member and boring machine member being illustrated as separated;
FIG. 4 is a perspective view of a tightening means according to the invention and the co-ordination thereof with elements, on which wedge surfaces are formed;
FIG. 5 is a side view similar to the view in FIG. 2 but illustrating the tightening means cut; and
FIG. 6 is a side view similar to FIG. 5 but illustrating the boring machine member secured to the feed member in a position rotated 180.degree. relative to the position in FIG. 5.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT
A boring assembly is illustrated in FIG. 1. This assembly comprises a guide 1 forming a tread for a member 2, here designated feed member, movable along the guide. The guide 1 has the character of a column erectable by several sections. The column is arranged on a base plate 3 adapted to support against an underlayer, for instance a floor structure in a building. The other end of the column 1 may, by means of a suitable contact member 4, be clamped against an arbitrary surface, for instance a ceiling surface.
The feed member 2 has the character of carriage or slide, which by means of a suitable drive device may be displaced along the column 1. This drive device may for instance comprise a gear arranged on the feed member 2 and adapted to engage with a cog-path 5 on the column 1. This gear is rotatable in order t
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Gearmec Sweden AB
Knight Anthony
Reese Randolph A.
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