Small holesaw mandrel assembly
First Claim
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1. A holesaw mandrel assembly comprising:
- a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw;
a first member on said second end, said first member axially movable on said second end;
a friction surface on said first member, said friction surface adapted for contacting a base surface on the holesaw such that the holesaw is fixed in position, said friction surface moving between a first contact and a second release position; and
a mechanism on said mandrel adjacent said first member for moving said friction surface between said first and second positions.
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Abstract
A holesaw mandrel assembly has a mandrel with a first shanking end, a body, and a second extending end which includes a threaded spud to receive a holesaw. A first member is secured on the second end. The first member is axially slidable on the second end. The first member also includes a friction surface to contact the holesaw. The friction surface moves between a first contacting position and a second release position. A mechanism on the mandrel moves the friction surface between the first and second positions.
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Citations
28 Claims
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1. A holesaw mandrel assembly comprising:
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a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw; a first member on said second end, said first member axially movable on said second end; a friction surface on said first member, said friction surface adapted for contacting a base surface on the holesaw such that the holesaw is fixed in position, said friction surface moving between a first contact and a second release position; and a mechanism on said mandrel adjacent said first member for moving said friction surface between said first and second positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A holesaw mandrel assembly comprising:
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a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw; a first member on said second end, said first member axially movable on said second end; a second member on said second end, said second member rotatable on said second end, said second member providing a contact surface; at least one roller extending between said first member and said second member, said at least one roller in contact with said second member contact surface, said at least one roller moving between a first and second position for enabling said first member to move axially along said second end, wherein when said at least one elongated roller is in its first position, said first member is fixed so that a holesaw may be screwed onto said thread and abut said first member securing said holesaw in a use position on said first member and when said at least one roller is moved into its second position, said first member moves axially away from the holesaw enabling said the holesaw to be easily removed from said thread. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A holesaw mandrel assembly comprising:
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a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw; a first member on said second end, said first member axially movable on said second end; a second member on said body, said second member providing a contact surface; at least one roller extending between said first member and said second member, said at least one roller in contact with said second member contact surface, said at least one roller moving between a first and second position for enabling said first member to move axially along said second end, wherein when said at least one roller is in its first position, said first member is fixed so that a holesaw may be screwed onto said thread and abut said first member securing said holesaw in a use position on said first member and when said at least one elongated roller is moved into its second position, said first member moves axially away from the holesaw enabling said the holesaw to be easily removed from said thread. - View Dependent Claims (19, 20, 21)
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22. The holesaw mandrel assembly comprising:
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a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw; a first member on said second end, said first member axially movable on said second end; a second member axially movable on said mandrel body; and at least one roller extending between said first member and said second member, said at least one roller in contact with said second member contact surface, said at least one roller moving between a first and second position for enabling said first member to move axially along said second end, wherein when said at least one roller is in its first position, said first member is fixed so that a holesaw may be screwed onto said thread and abut said first member securing said holesaw in a use position on said first member and when said at least one roller is moved into its second position, said first member moves axially away from the holesaw enabling said the holesaw to be easily removed from said thread. - View Dependent Claims (23, 24, 25)
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26. A holesaw mandrel assembly comprising:
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a mandrel having a body with a first end for coupling with a drill motor, a second end extending from said body, said second end including a thread for receiving a holesaw; a first member on said second end, said first member axially movable on said second end; a second member axially movable on said mandrel body; a groove in said mandrel body; a pin mounted on said second member, said pin engaging said mandrel groove, said pin movable between a first and second position for enabling said first member to move axially along said second end, wherein when said pin is in its first position in said groove said first member is fixed so that the holesaw may be screwed onto said thread and tighten on said first member securing said holesaw in a use position on said first member and when said pin is moved to its second position in said groove, said first and second members move axially away from the holesaw enabling the holesaw to be easily removed from said thread. - View Dependent Claims (27, 28)
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Specification