Supports: cabinet structure – With movable components – Horizontally movable
Reexamination Certificate
1998-11-06
2001-09-11
Dayoan, B. (Department: 3629)
Supports: cabinet structure
With movable components
Horizontally movable
C312S348200, C312S348100, C403S231000
Reexamination Certificate
active
06286919
ABSTRACT:
1. Field of the Invention
This invention relates to a device for fixing the front panel of a drawer on a lateral, metallic frame of the drawer by means of a holder provided at the front panel and protruding towards the frame, which holder consists of a supporting plate and a clamping plate, between which the frame can be clamped by means of a clamping screw extending through the frame in an insertion slot open at an end facing the front panel. The holder has an adjusting eccentric vertically supported on a supporting stop of the frame, and a locating stop, which engages behind a locking stop of the frame, which has an inclined stop face and extends transverse to the longitudinal direction of the frame.
2. Description of the Prior Art
For fixing the front panel of a drawer on a metallic frame of the drawer it is known from FIGS. 11 to 16 of U.S. Pat. No. 4,815,796 to fix at the front panel a holder protruding towards the frame, which holder consists of a supporting plate and a clamping plate, between which and the supporting plate the frame can be clamped. For this purpose, the supporting plate has a threaded hole for a clamping screw which extends through the clamping plate. Since the frame is provided with an insertion slot open at an end facing the front panel and extending like a hook the holder of the front panel can be hung into the insertion slot of the frame, with the frame extending between the supporting and clamping plates. With an edge extending transverse to the longitudinal direction of the frame and bent towards the frame under an obtuse angle the clamping plate forms a locating stop, which engages over a locking stop formed on the frame and protruding towards the clamping plate, so that upon tightening the clamping screw the clamping plate is pulled against the locking stop in longitudinal direction of the frame due to the stop face formed by the bent edge, with the effect that the holder rests against the front end face of the frame without any clearance. For the vertical adjustment of the front panel the clamping plate of the holder is provided with an adjusting eccentric, which is vertically supported on a supporting stop formed by a bent-out lug of the frame. When the desired vertical position of the front panel with respect to the frame has been fixed by means of the adjusting eccentric, the frame can be clamped between the supporting plate and the clamping plate by tightening the clamping screw.
SUMMARY OF THE INVENTION
It is therefore the object of the invention to provide a device as described above for fixing the front panel of a drawer with a simple structure such that cutting out and bending out lugs in the frame for forming the supporting and locking stops becomes superfluous.
This object is solved by the invention in that the adjusting eccentric engages in the insertion slot extending in longitudinal direction of the frame, and that the forwardly directed edge of a widened portion of the insertion slot, which extends transverse to the longitudinal direction of the frame, forms the locking stop.
Since as a result of these measures the adjusting eccentric is supported at the lower edge of the insertion slot for the clamping screw, and the locking stop of the holder engages in the widened portion of the insertion slot extending transverse to the longitudinal direction of the frame, no additional structures are required to support the supporting stop and the locking stop. Supporting the adjusting eccentric and the locating stop at the edge of the insertion slot or its widened portion not only involves a simplification of the construction of the frame, but also provides for a small overall depth, because supporting the adjusting eccentric or the locating stop need not be effected laterally protruding from the side face of the frame.
Particularly stable constructional conditions are obtained in an embodiment of the invention if the supporting plate consists of a bent portion of a mounting flange for the front panel, into which the pressing plate constituting the locating stop can be hooked. By hooking the clamping plate into the mounting flange integrally connected with the supporting plate, the pressing plate is additionally supported with respect to the supporting plate, so that upon tightening the clamping screw the clamping plate is swivelled against the frame about the additional bearing point on the mounting flange formed by such hanging, until a stable positive connection between the holder and the frame is obtained by means of the locating stop supported in the widened portion of the insertion slot. This connection has a much higher load-bearing capacity than a connection where the clamping plate is supported on the supporting plate merely by the clamping screw.
When the clamping plate hung into the mounting flange is swivelled against the supporting plate under a bias, this bias effects a detachment of the clamping plate from the frame when the clamping screw is loosened, which considerably facilitates the withdrawal of the holder of the front panel from the frame or the mounting of the holder on the frame. Another possibility for swivelling out the clamping plate when loosened the clamping screw is obtained if the clamping screw has an engaging stop for the clamping plate hung into the mounting flange on the side of the clamping plate facing away from the clamping screw head, so that this engaging stop pushes the clamping plate away from the supporting plate when the clamping screw is loosened. As an engaging stop a plastic disk may be used, through which the screw shank extends tightly and which is therefore rotated with the screw and not adjusted on the screw shank.
The locating stop of the holder may have different designs, because it is merely decisive to engage behind the locking stop, which has a correspondingly inclined stop face and is formed by the widened portion of the insertion slot in the frame. Particularly simple constructional conditions are obtained, however, when the locating stop consists of a wedge portion protruding towards the supporting plate and formed on the clamping plate, where the wedge face of said wedge portion facing the locking stop is urged against the locking stop upon tightening the clamping screw. The clamping plate can be manufactured comparatively easily together with the suspension hook for the mounting flange, in particular when the supporting plate has the threaded hole for the clamping screw and carries the adjusting eccentric, which in this case can be adjusted via a through hole in the clamping plate.
REFERENCES:
patent: 4802716 (1989-02-01), Rock et al.
patent: 4815796 (1989-03-01), Rock et al.
patent: 5688033 (1997-11-01), Fleisch et al.
patent: 6027194 (2000-02-01), Fleisch
patent: 391 253 (1990-03-01), None
patent: 0 761 131 (1997-03-01), None
patent: 2143426 (1985-02-01), None
patent: 2190831 (1987-12-01), None
Alfit Aktiengesellschaft
Collard & Roe P.C.
Dayoan B.
Malcolm Tomlyne
LandOfFree
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