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US 2013/0039708 A1Published application
Adjustable hole cutters
OwnerBruce Winter Stenmaninventor
Life of this patent
Estimating the term…
Abstract
An adjustable hole cutter for cutting a hole with a predetermined diameter in sheet or panel material includes a blade holder that moves along a track or slot to alter a diameter of the cut hole; a blade arc adjuster coupled to the blade holder; and one or more replaceable blade segments coupled to the blade holder.
Claims20
An adjustable hole cutter for cutting a hole with a predetermined diameter in sheet or panel material, comprising:
- a blade holder that moves along a track or slot to alter a diameter of the cut hole;
- a blade arc adjuster coupled to the blade holder;
- and
- one or more replaceable blade segments coupled to the blade holder.
1 more element
An adjustable hole cutter for cutting a hole with a predetermined diameter in sheet or panel material, comprising:
- a blade holder that moves along a track or slot to alter a diameter of the cut hole, the blade holder having a base plate;
- a disc or spoked wheel coupled to the blade holder;
- one or more replaceable blade segments coupled to the blade holder;
- a blade arc adjuster coupled to the blade holder;
- a drive shaft with a square section to mount into a hub of the disc or a spoked wheel for the hub, wherein the hub and drive shaft move in unison with a pin or screw that transects the drive shaft and hub;
- and
- one or more markings on the base plate to indicate a position for an apex of an arc of the cutting blade for the predetermined diameter and wherein each mark is a nominal value for the diameter of the hole to be cut.
4 more elements
Dependencies are inferred from the claim text.