Drilling jig
AssigneeLee Valley Tools Ltd.
InventorsRobin C. Lee, Leonard G. Lee, Francis A. McLean
Life of this patent
Estimating the term…
Abstract
A jig for drilling all the dowel and fixture mounting holes for the 32 mm system of cabinet construction consisting of a pair of parallel rails having face and side, a third rail identical to the two parallel rails and attached perpendicularly to the parallel rails, a saddle which straddles the rails and containing a bushing that fits through the saddle and into the holes of the rails and two asymmetric clamping frames having a clamping thumbscrew and a locating thumbscrew with a thread cut on a 1 mm pitch that rigidly attaches to one of the rails.
Claims10
A drilling jig comprising:
- a) a rail having spaced holes;
- b) a drill guide;
- and
- c) a means for locating and clamping the rail on an edge of a workpiece having a face in various positions along the edge and in various positions along an axis normal to the face of the workpiece.
A drill jig comprising:
- a) a rail having spaced holes;
- b) a drill guide comprising a saddle to straddle the rail and a removable bushing which extends through the saddle and may be received in a hole in the rail;
- and
- c) a means for locating and clamping the rail on an edge of a workpiece having a face in various positions along the edge and in various positions along an axis normal to the face of the workpiece.
A drilling jig comprising:
- a) a rail having spaced holes;
- b) a drill guide;
- and
- c) a means for locating and clamping the rail on an edge of a workpiece having a face in various positions along the edge and in various positions along an axis normal to the face of the workpiece comprising:
- i) at least one generally U-shaped frame having two sides;
- ii) a thumbscrew having a mark received in one side of the frame;
- iii) a clamping screw received in the side of the frame opposite the thumbscrew;
- and
- iv) a means for fixing the frame to the rail.
Dependencies are inferred from the claim text.