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US 8,628,280 B2Granted
Router
AssigneeBlack & Decker Inc.
InventorsWarren A. Ceroll, Craig Schell
Life of this patent
Estimating the term…
Abstract
A router includes a motor assembly, at least a first rail and at least a first rolling element pair mounted to the motor assembly, where the first rolling element pair engages the first rail. The router may further include a second rail and a second rolling element pair mounted to the motor assembly, where the second rolling element pair engages the second rail.
Claims26
A hand-manipulatable portable router, comprising:
- a motor assembly for rotating a cutting tool;
- a base for engaging a workpiece, wherein the base includes an aperture for allowing the cutting tool to pass therethrough to engage the workpiece;
- a first rail and a second rail configured to permit the motor assembly and cutting tool to slide towards and away from the aperture to bring the cutting tool into and out of engagement with the workpiece;
- and
- a first rolling element pair mounted to the motor assembly and a second rolling element pair mounted to the motor assembly, wherein:
- the first rolling element pair includes two bearings and the second rolling element pair includes two bearings, each of the bearings having an outer ring, and
- the outer ring on each of the two bearings in the first rolling element pair engages and rolls on the first rail and the outer ring on each of the two bearings in the second rolling element pair engages and rolls on the second rail.
4 more elements
A hand-manipulatable portable router, comprising:
- a housing comprising a top member and a base having an aperture;
- a motor assembly disposed in the housing;
- a first rail operatively connected to the housing;
- a first rolling element pair mounted to the motor assembly, wherein the first rolling element pair includes two bearings, each of the bearings having an outer ring and the outer ring on each of the two bearings engages and rolls on the first rail;
- and
- at least one biasing member coupled to the motor assembly to bias the motor assembly towards the top member.
3 more elements
A hand-manipulatable portable router, comprising:
- a housing;
- a motor assembly for rotating a cutting tool and disposed in the housing;
- a base for engaging a workpiece, wherein the base includes an aperture for allowing the cutting tool to pass therethrough to engage the workpiece;
- a first rail operatively connected to the housing and configured to permit the motor assembly and cutting tool to slide towards and away from the aperture to bring the cutting tool into and out of engagement with the workpiece;
- and
- means for slidably engaging the motor assembly with the first rail, wherein the means for slidably engaging the motor assembly with the first rail includes a first rolling element pair having two bearings, each of the bearings including an outer ring and the outer ring on each of the two bearings engages and rolls on the first rail.
3 more elements
Dependencies are inferred from the claim text.