Elongated-member-driving apparatus – With control means responsive to sensed condition
Reexamination Certificate
2000-01-07
2001-04-24
Smith, Scott A. (Department: 3721)
Elongated-member-driving apparatus
With control means responsive to sensed condition
C227S006000, C227S007000, C227S140000, C227S145000, C227S152000, C227S111000
Reexamination Certificate
active
06220494
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for inserting, in the molding of frames, metal staples adapted to retain laminar supporting elements for pictures, photographs and the like.
It is known that in order to frame pictures there are commercially available frames which comprise a rectangular molding formed by assembled strips which are internally provided with a flange which acts as abutment for the glass plate designed to protect the picture to be framed and for a panel of cardboard or the like adapted to support the picture at the rear. In order to retain the panel and the glass plate within the frame, flexible metal staples are inserted behind the panel by means of a mechanical or pneumatic fixing tool which is usually of the manual type.
The staples are inserted only partially, so as to have an end which protrudes toward the inside of the frame so that it can be folded back when the panel is to be removed or folded forward again in order to reposition the panel.
SUMMARY OF THE INVENTION
The aim of the present invention is to provide an apparatus by means of which the cardboard and the glass plate can be fixed automatically within a picture-frame molding.
This aim is achieved with an apparatus for inserting, in the molding of picture-frames, metal staples adapted to retain laminar backing elements for pictures, photographs and the like, characterized in that it comprises a beam which is arranged horizontally above the surface that supports said molding, two fixing tools which are guided on said beam transversely to two opposite sides of said molding, means for adjusting the distance between said fixing tools along said beam as a function of the distance between said sides, and means for vertically actuating said fixing tools into the position for applying metallic staples in said sides.
REFERENCES:
patent: 4392599 (1983-07-01), Russell
patent: 4679291 (1987-07-01), Schmeal
patent: 4876787 (1989-10-01), Ditty et al.
patent: 5605270 (1997-02-01), Dunn
patent: 5816467 (1998-10-01), Dunn
Josif Albert
Modiano Guido
O'Byrne Daniel
Smith Scott A.
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