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US 9,833,871 B2Granted
Sander, especially for sanding curved surfaces
OwnerPetr Fron{hacek over (e)}kinventor
Life of this patent
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Abstract
A sander especially suited for sanding curved surfaces. The sander has an elongate body and a grinding plate movably attached thereto. A power unit drives the grinding plate. At least two lever beams are attached to the elongate body. Each of the lever beams has two opposite ends. The grinding plate is attached to ends of lever beams using flexible connecting elements to allow the grinding plate to move relative to the sander body.
Claims9
Sander especially for sanding curved surface areas, comprising:
- an elongate body (1,17);
- a sanding plate (14) movably attached to said body (1, 17);
- and
- a power unit (19) connected to said sanding plate (14) for driving said sanding plate to provide a sanding motion of said sanding plate,
- wherein the sanding plate (14) is connected with said body (1) by at least two movable lever beams (9, 20) that are attached to said body (1, 17) one apart from another, said lever beams being provided with two opposite ends,
- wherein said sanding plate (14) is attached to said ends of said movable lever beams (9,20) by elastic connecting elements (10, 21) allowing to equally distribute a pressing force onto said flexible sanding plate, and allowing a shapeability/malleability of said sanding plate towards said curved surface, and enabling said sanding plate to make a defined linear or orbital motion relative to said body (1, 17) when driven by said power unit.
3 more elements
Dependencies are inferred from the claim text.