Adjustable drill jig

• US 5,807,036 A
• Filed: 10/04/1996
• Issued: 09/15/1998
• Est. Priority Date: 10/04/1996
• Status: Expired due to Term

• Current Assignee: Tad K. Lostlen
• Original Assignee: Tad K. Lostlen
• Inventors: Lostlen, Tad K.
• Primary Examiner(s): Howell, Daniel W.
• Assistant Examiner(s): Bhargava, Adesh
• Application Number:
  US08/725,520
• Time in Patent Office: 711 Days
• Field of Search: 408/97, 408/103, 408/115 R, 408/115 B, 408/72 B
• US Class Current: 408/97
• CPC Class Codes: B23B 2260/088 Indication scales
• CPC Class Codes: B23B 47/287 Jigs for drilling plate-like workpieces templates for marking the position of fittings on wings or frames E05D11/0009
• CPC Class Codes: Y10T 408/55 with work-engaging structure other than Tool or tool-support
• CPC Class Codes: Y10T 408/56245 including tool-guide [or bushing]
• CPC Class Codes: Y10T 408/567 Adjustable, tool-guiding jig

Abstract

An adjustable drill jig for precisely locating and drilling one or more holes in a workpiece such as a kitchen cabinet component (side panel, door, drawer, etc.) or the like. The adjustable drill jig is versatile in its applications and is composed of components that can be readily assembled (or disassembled) to form various modifications of the drill jig for different applications. The adjustable drill jig is composed of at least one elongated element with at least one rule on a surface thereof, at least one adjustable drill guide which has a drill bushing therein and is slidably movable along the length of the elongated element, and a stop plate attached to an element which is slidably movable along the at least one elongated element.

Claims

1. An adjustable drill jig for precisely locating and drilling one or more holes in a work piece, said drill jig comprising a T-shaped element having an elongated stem portion and an elongated cross-base portion wherein said stem portion is perpendicular to and attached to said cross-base portion at a mid-point along the length of said cross-base portion, each of said stem and cross-base portions having a surface with at least one rule thereon, a drill bushing located in and at one end of said stem portion and near the attachment of said stem portion to said cross-base portion, at least one movable guide means on said cross-base portion and slidably movable along said cross-base portion, said at least one movable guide means having a drill bushing therein and means for locking or fixing it to said cross-base portion at a desired position thereon, another movable guide means on said stem portion and slidably movable along said stem portion, said another movable guide means having a reference means attached thereto for alinement of said jig to said work piece, said another movable guide means having means for locking or fixing it to said stem portion at a desired position thereon and wherein an imaginary straight line passing through the centers of each of said drill bushings in said at least one movable guide means and in said stem portion is parallel to said elongated cross-base portion.

2. The adjustable drill jig as recited in claim 1 wherein there is one movable guide means on the right hand side of said cross-base portion and one movable guide means on the left hand side of said cross-base portion.

3. The adjustable drill jig as recited in claim 1 wherein there are a plurality of movable guide means on the right hand side of said cross-base portion and a plurality of movable guide means on the left hand side of said cross-base portion.

4. The adjustable drill jig as recited in claim 1 wherein said at least one movable guide means has a stop means attached thereto for alinement of said jig to said work piece.

5. The adjustable drill jig as recited in claim 4 wherein said at least one movable guide means has a means for locking or fixing said stop means into an operative or inoperative position.

6. The adjustable drill jig as recited in claim 4 wherein said stop means is attached to either the right hand side or the left hand side of said at least one movable guide means.

7. The adjustable drill jig as recited in claim 4 wherein said stop means is rotatably movable to engage said work piece for alinement of said drill jig with said work piece.

8. The adjustable drill jig as recited in claim 4 wherein said stop means is substantially rectangular and has an elongated slot therein.

9. The adjustable drill jig as recited in claim 8 wherein said stop means is fixed to said at least one movable guide means by said locking or fixing means and said stop means extends beyond two opposite sides of said at least one one movable guide means to engage said workpiece to the right or left thereof for alinement of said drill jig to said workpiece.

10. The adjustable drill jig as recited in claim 8 wherein said stop means is laterally movable relative to said locking or fixing means and said at least one movable guide means to engage said workpiece for alinement of said drill jig with said workpiece.

11. The adjustable drill jig as recited in claim 8 wherein said stop means is rotatably movable about said locking or fixing means so as to extend beyond said at least one movable guide means to engage said workpiece for alinement of said drill jig with said workpiece.

12. The adjustable drill jig as recited in claim 1 wherein said at least one rule on said stem portion has a zero position mark thereon located near the intersection of said stem and cross-base portions and the center of said drill bushing in said stem portion is alined with said zero position mark.

13. The adjustable drill jig as recited in claim 1 wherein said T-shaped element is made from aluminum or anodized aluminum.

14. The adjustable drill jig as recited in claim 1 wherein said at least one rule on said cross-base portion has a zero position mark thereon located in alinement with the center of said drill bushing on said stem portion.

15. The adjustable drill jig as recited in claim 1 wherein said reference means is a flat shaped element.

16. The adjustable drill jig as recited in claim 1 wherein there are two rules on said surface of said stem portion, one rule in the U.S. system having markings along one longitudinal side of said surface of said stem portion and another rule in the metric system having markings along an opposite longitudinal side of said surface of said stem portion.

17. The adjustable drill jig as recited in claim 16 wherein there are two rules on said surface of said cross-base portion, one rule in the U.S. system having markings along one longitudinal side of said surface of said cross-base portion and another rule in the metric system having markings along an opposite longitudinal side of said surface of said cross-base portion.

18. The adjustable drill jig as recited in claim 1 wherein there are two rules on said surface of said cross-base portion, one rule in the U.S. system having markings along one longitudinal side of said surface of said cross-base portion and another rule in the metric system having markings along an opposite longitudinal side of said surface of said cross-base portion.

19. The adjustable drill jig as recited in claim 1 wherein each of said locking means is a thumb screw.

20. The adjustable drill jig as recited in claim 1 wherein each of said movable guide means has an index or reference mark thereon for positioning each of said movable guide means relative to said at least one rule.

21. The adjustable drill jig as recited in claim 1 wherein the T-shaped element is substantially flat.

22. An adjustable drill jig for precisely locating and drilling one or more holes in a workpiece, said drill jig comprising an elongated base section and two elongated stem sections, each of said stem sections being perpendicular to and attached to said base section near opposite ends of said base section, each of said stem sections and said base section having a surface with at least one rule thereon, a drill bushing located in and at one end of each of said stem sections and near the attachment of each of said stem sections to said base section, a movable guide means on each of said stem sections wherein said movable guide means is slidably movable along each of said respective stem sections, said movable guide means on each of said stem sections having a reference means attached thereto for alinement of said jig to said workpiece, said movable guide means on each of said stem sections having a means for locking or fixing said movable guide means to a respective one of said two stem sections, at least one movable guide means on said base section, said at least one movable guide means on said base section being slidably movable along said base section, each of said at least one movable guide means on said base section having a means for locking or fixing said at least one movable guide means to said base section, each of said at least one movable guide means on said base section having a drill bushing therein and wherein an imaginary line passing through the centers of said drill bushings in said at least one movable guide means and in said two stem sections is parallel to said elongated base section.

23. The adjustable drill jig of claim 22 wherein there is one movable guide means on said base section between one of said two stem sections and one end of said elongated base section and another movable guide means on said base section between the other of said two stem sections and the opposite end of said base section.

24. The adjustable drill jig of claim 23 wherein each of said one movable guide means on said base section and said another movable guide means on said base section has a stop means attached thereto for alinement of said jig to said workpiece.

25. The adjustable drill jig of claim 24 wherein each of said one movable guide means on said base section and said another movable guide means on said base section has a means for locking or fixing said stop means into an operative or inoperative position.

26. The adjustable drill jig of claim 25 wherein said stop means is rotatably movable about said locking or fixing means to engage said workpiece for alinement of said jig with said workpiece.

27. The adjustable drill jig of claim 24 wherein said stop means is substantially rectangular and has an elongated slot therein.

28. The adjustable drill jig as recited in claim 27 wherein said stop means is fixed to said at least one movable guide means by said locking or fixing means and said stop means extends beyond two sides of said at least one movable guide means to engage said workpiece to the right or left thereof for alinement of said drill jig to said workpiece.

29. The adjustable drill jig as recited in claim 27 wherein said stop means is laterally movable relative to said locking or fixing means and said at least one movable guide means to engage said workpiece for alinement of said drill jig with said workpiece.

30. The adjustable drill jig as recited in claim 27 wherein said stop means is rotatably movable about said locking or fixing means so as to extend beyond said at least one movable guide means to engage said workpiece for alinement of said drill jig with said workpiece.

31. The adjustable drill jig as recited in claim 22 wherein said elongated base section is longer than each of said two stem sections.

32. The adjustable drill jig as recited in claim 31 wherein each of said elongated stem sections is of the same length.

33. The adjustable drill jig of claim 23 wherein there is at least one movable guide means on said base section between said two stem sections.

34. The adjustable drill jig of claim 23 wherein there are a plurality of movable guide means on said base section between said two stem sections.

35. The adjustable drill jig as recited in claim 22 wherein said at least one rule on each of said two stem sections has a zero position mark thereon located near the intersection of each of said stem sections and said base section and the center of said drill bushing in each of said stem sections is alined with said zero position mark on each of said stem sections.

36. The adjustable drill jig as recited in claim 22 wherein said two stem sections and said base section are made from aluminum or anodized aluminum.

37. The adjustable drill jig as recited in claim 22 wherein said at least one rule on said base section has a zero position mark thereon located in perpendicular alinement with the center of the drill bushing in the stem section near the left end of said base section.

38. The adjustable drill jig as recited in claim 22 wherein said reference means on each of said movable guide means on each of said two stem sections is a flat shaped element.

39. The adjustable drill jig as recited in claim 22 wherein there are two rules on said surface of each of said stem sections, one rule in the U.S. system having markings along one longitudinal side of said surface of each of said stem sections and another rule in the metric system having markings along an opposite longitudinal side of said surface of each of said stem sections.

40. The adjustable drill jig as recited in claim 39 wherein there are two rules on said surface of said base section, one rule in the U.S. system having markings along one longitudinal side of said surface of said base section and another rule in the metric system having markings along an opposite longitudinal side of said surface of said base section.

41. The adjustable drill jig as recited in claim 22 wherein there are two rules on said surface of said base section, one rule in the U.S. system having markings along one longitudinal side of said surface of said base section and another rule in the metric system having markings along an opposite longitudinal side of said surface of said base section.

42. The adjustable drill jig as recited in claim 22 wherein each of said fixing or locking means is a thumb screw.

43. The adjustable drill jig as recited in claim 22 wherein each of said at least one movable guide means on said base section has an index or reference mark thereon for positioning each of said at least one movable guide means relative to said at least one rule on said base section.

44. The adjustable drill jig as recited in claim 22 wherein said two stem sections and said base section are substantially flat.

45. The adjustable drill jig as recited in claim 23 wherein each of said one movable guide means and said another movable guide means on said base section has a stop means attached thereto for alinement of said jig to said workpiece.

46. The adjustable drill jig as recited in claim 45 wherein said stop means is attached to either the right hand side or the left hand side of each of said one movable guide means and said another movable guide means.

47. An adjustable drill jig for precisely locating and drilling one or more holes in a workpiece, said drill jig comprising an elongated, unitary, substantially flat element having opposite ends and a surface with at least one rule thereon, a movable guide means slidably movable along the length of said elongated element and at least one adjustable guide C-shaped guide means slidably movable along the length of said elongated element, said movable guide means having a stop means and a movable element, said stop means and said movable element being attached to each other, said stop means having a reference means or plane, said at least one adjustable guide means having a drill bushing therein.

48. The adjustable drill jig of claim 47 wherein there are a plurality of movable guide means on said elongated element.

49. The adjustable drill jig as recited in claim 47 wherein said at least one rule on said elongated element has a zero position mark thereon located between opposite ends of said elongated element and near one of said opposite ends.

50. The adjustable drill jig as recited in claim 47 wherein there are two rules on said surface of said elongated element, one rule with spaced markings in U.S. units along one longitudinal side of said surface of said elongated element and another rule with spaced markings in metric units along an opposite longitudinal side of said surface of said elongated element.

51. The adjustable drill jig as recited in claim 47 wherein each of said movable guide means and said at least one adjustable guide means has a means for locking or fixing said movable guide means and said at least one adjustable guide means to said elongated element.

52. The adjustable drill jig as recited in claim 51 wherein each of said fixing or locking means is a thumb screw.

53. The adjustable drill jig as recited in claim 47 wherein said at least one adjustable guide means on said elongated element has an index or reference mark thereon for positioning said at least one adjustable guide means relative to said at least one rule on said elongated element.

54. The adjustable drill jig as recited in claim 47 wherein said elongated element is made from aluminum or anodized aluminum.