Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1983-11-07
1985-08-27
Bell, Paul A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227147, 227156, B25C 511, B25C 700
Patent
active
045373434
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a tool for fastening an elongated object on a wall or other supporting surface by means of U-shaped clips, in particular for fastening electric wires, telephone wiring, cables, hoses or the like.
Examples of such tools are shown and described in U.S. Pat. Nos. 2,637,030 and 4,087,035, GB-A-1,554,602 and FR-Al-2,035,601. The two first-mentioned patent specifications disclose tools where the elongated object is secured to the supporting surface by means of U-shaped staples the two legs of which are driven into the surface in the same way as conventional staples. The latter two patent specifications disclose tools where the U-shaped staples cooperate with U-shaped clips, for instance of plastic, in order to provide a broader surface of engagement. A feature common to all these four prior art tools is that the successive staples of the strip of staples employed are interconnected in a juxtaposed relation, such that the two legs of a staple are connected to the corresponding legs of adjacent staples. This means that the tool must be held along the elongated object when the staples are driven into the supporting surface.
GB-A-1,377,808 discloses another tool for fastening elongated objects on a surface. In this tool, use is made of a strip of U-shaped clips in which one leg of the U is designed as a fixing part cooperating with a special fastening member in the form of a nail which is driven through a hole provided in advance in said fixing part. This tool uses separate nail and clip magazines, of which at least the clip magazine is oriented in the longitudinal direction of the tool, such that the longitudinal direction of the tool, when in use, must be parallel to the elongated object. This prior art tool, therefore, suffers from the same drawback as the prior art tools mentioned above.
It is true that these known tools for mounting clips about electric wires, telephone wiring, cables, hoses etc. imply a substantial improvement in relation to the manual mounting of separate clips one by one. However, the prior art tools suffer from many drawbacks linked with the necessity of orienting the tool along the elongated object to be fastened on the supporting surface. One drawback in this context is that it will be difficult to use the tool in the immediate proximity of a wall, since the hand holding the tool will be a hindrance. Also, the width of the tool limits the possibility of getting close to a wall. Moreover, the four first-mentioned tools must permit applying the legs of the staples on either side of the elongated object. The prior art tools, at least the four first-mentioned ones, further require a close conformity between the shape of the staples and the shape of the wire, with an ensuing lack of flexibility. An additional shortcoming is that it may be difficult, because of the orientation of the staples or clips, to see exactly where the legs of the staples or clips are placed with respect to the elongated object, which entails a risk that the fastening member may be driven through the elongated object.
An object of the present invention, therefore, is to provide an improved tool which makes it much easier to operate quite close to a wall. Another object is to provide a tool which reduces the risks of driving the fastening member through the elongated object. A still further object of the invention is to provide a tool which makes it possible readily to adapt the tool to different clip dimensions. Yet another object of the invention is to provide a tool in which accurate guiding of the driving element of the tool, with respect to the fastening member of the clips, can be obtained in a simple way.
The present invention thus relates to a tool for fastening an elongated object on a wall or other supporting surface by means of U-shaped clips which are intended to embrace the elongated object and, by means of a fastening member passing through one leg of the clip, to be secured to the supporting surface, said tool comprising a magazine for housing a strip of clips in the form of
REFERENCES:
patent: 2637030 (1953-05-01), Wickman et al.
patent: 3119115 (1964-01-01), Bello
patent: 3391842 (1968-07-01), Mathes
patent: 3883064 (1975-05-01), Hilgers
patent: 4087035 (1978-05-01), Harmon
patent: 4225075 (1980-09-01), Chi
patent: 4424929 (1984-01-01), Weis
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