Elongated-member-driving apparatus – With means to convey work or product relative to driving...
Patent
1998-03-11
2000-01-04
Smith, Scott A.
Elongated-member-driving apparatus
With means to convey work or product relative to driving...
227105, 227148, 227152, 227154, 269320, E06B 3673
Patent
active
060100532
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention concerns a device for assembling a sash element in a frame with instruments for clamping the frame.
DESCRIPTION OF RELATED ART
In manufacturing insulation windows with viewing sashes mounted in the pane interior, the sash elements are is first assembled in a range spacer frame. Then the frame so prepared is glued on both sides with glass panes. The range spacer frame is, for example, a hollow aluminum section. Owing to its light construction, it is flexible to a certain degree. The sash elements, for example, consist of crossing wooden slats. The connection at the crossing point likewise permits minor angle deviations. In assembling the window, care must be taken that the sash element, for example, a sash cross, is mounted exactly at right angles to itself and parallel to the sides with respect to the frame.
Positioning the frame on a table with line grid drawn in and inserting the sash component adjusted in relation to the grid lines is known. The disadvantage of this method is that the angle exactitude of the finished mounted sash element in the frame largely depends on the capability of the worker and his condition at the moment.
Predrilling the frame at the necessary positions and then inserting the sash elements with an appropriate peg is also known. This requires not only a high drilling precision and a separate processing step for the sash elements (for production of the pegs), but the orthogonality is still not guaranteed.
SUMMARY OF THE PRESENT INVENTION
The object of the invention is to provide a device, which makes possible a set angle and rapid assembly of sash elements in the frame. Furthermore, the device should be suitable for assembling frames of varying size without conversion operations.
The present invention is distinguished in that a freely movable angle template (i.e., movable in at least two different directions while retaining the angle setting) is provided with instruments for holding the sash element in a desired angle setting so that the sash element is pushed at the adjusted angle into the desired assembly position and can be joined with the frame.
The angle template gives the sash element, namely a sash cross, the desired angle setting (for example, a 90.degree. setting). At the same time, the sash element does not yet need to be in the desired assembly position. The sash element can then, for example, be freely moved on a predefined plane while maintaining its angle setting (in relation to the clamped frame). That means that the sash element can be brought to the frame and fixed there.
It is essential for the present invention that first and second instruments for clamping the sash element and the frame be provided, whereby at least one of the two instruments includes an angle template for holding the sash element or frame in a desired angle setting, and that at least one of the two instruments is freely movable in at least two different directions while retaining the angle setting relative to the other, so that the sash element and frame can be pressed into a desired assembly position at the set angle and joined.
In accordance with an especially preferred embodiment, the angle template is guided on two crossing parallel travelling arms. Each parallel travelling arm guarantees parallel guidance in one direction of a predefined plane. It is also possible to work with only one parallel travelling arm on which the angle template can be moved in one direction. The guidance can instead also take place with a hinged bracket in connection with which the angle setting of the angle template is maintained independently of the arm setting, for example by cable lines (similar to a drawing device).
The parallel travelling arms thus ensure that the angle template can be moved while maintaining the angle setting relative to the clamped frame. The angle template is guided, for example, by two low friction linear guidance systems (roller bearings or the like) on the two parallel travelling arms.
To ensure parallel guidance, the parallel travelling arm
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patent: 3559863 (1971-02-01), Sack
patent: 4133097 (1979-01-01), Slade
patent: 4453705 (1984-06-01), McDonald
patent: 4479600 (1984-10-01), Albright
patent: 4492016 (1985-01-01), Smets et al.
patent: 4495023 (1985-01-01), Lisec
patent: 4620658 (1986-11-01), Martin
patent: 5605270 (1997-02-01), Dunn
Maschinenbau Beni Werfeli
Smith Scott A.
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