A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer circumference of the fixing section. The first and second fixing caps are respectively mounted on two sides
A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer circumference of the fixing section. The first and second fixing caps are respectively mounted on two sides of the fixing section. The buffer member is positioned between the first and second fixing caps for reducing shock produced in operation. The circumference of the buffer member is formed with multiple movable vanes. When the grinding wheel is rotated at high speed, the centrifugal force will deform the movable vanes of the buffer member to lean on the ring-shaped wheel for supporting the working section thereof.
대표청구항▼
What is claimed is: 1. A grinding wheel comprising: a ring-shaped wheel having a fixing section, a working section being formed along outer circumference of the fixing section, the fixing section of the ring-shaped wheel being formed with a shaft hole, two annular grooves being respectively formed
What is claimed is: 1. A grinding wheel comprising: a ring-shaped wheel having a fixing section, a working section being formed along outer circumference of the fixing section, the fixing section of the ring-shaped wheel being formed with a shaft hole, two annular grooves being respectively formed on two sides of the ring-shaped wheel along the circumference of the shaft hole, multiple axially extending recesses being formed on inner circumferential wall of the shaft hole, the recesses extending from one side of the ring-shaped wheel to the other side thereof and communicating with the annular grooves; a first fixing cap which is a disc member having an inner face, the inner face of the first fixing cap having multiple projecting sections extending from the circumference of the inner face in the same direction, a free end of each projecting section being formed with a projection, the first fixing cap having a central seat body extending in the same direction as the projecting sections, the seat body being formed with a central through hole, fixed ends of the projecting sections and the seat body being simply connected by a connecting board, a space being defined between the projecting sections and the seat body; a second fixing cap which is a disc member having an inner face, the inner face of the second fixing cap having multiple projecting sections extending from the circumference of the inner face in the same direction, a free end of each projecting section being formed with a dent complementary to the projection of the first fixing cap, the second fixing cap also having a central seat body extending in the same direction as the projecting sections, the seat body being formed with a central through hole, fixed ends of the projecting sections and the seat body being simply connected by a connecting board, a space being defined between the projecting sections and the seat body; and a buffer member made of deformable soft material and fixedly positioned in the spaces between the first and second fixing caps, the buffer member being formed with a central through hole, a circumference of the buffer member being formed with multiple grooves extending through the buffer member from one side to the other side, a movable vane being defined between each two adjacent grooves, when the grinding wheel is rotated, the movable vanes of the buffer member leaning on the wall of the shaft hole of the ring-shaped wheel, whereby when assembled, the projecting sections of the first and second fixing caps are fitted into the recesses of the ring-shaped wheel from two sides thereof, the projecting sections abutting against each other with the projections of the first fixing cap extending into the dents of the second fixing cap, the seat bodies of the first and second fixing caps also abutting against each other. 2. The grinding wheel as claimed in claim 1, wherein the working section and the fixing section of the ring-shaped wheel are integrally formed and made of the same material. 3. The grinding wheel as claimed in claim 2, wherein an annular rib section is formed on the working section of the ring-shaped wheel at the middle of the axis of the ring-shaped wheel, multiple projecting blocks being respectively formed on two sides of the annular rib section at equal intervals, the projecting blocks on two sides of the annular rib section being interlaced. 4. The grinding wheel as claimed in claim 2, wherein a hard metal bush is inlaid in the through hole of the buffer member. 5. The grinding wheel as claimed in claim 1, wherein centers of outer faces of the first and second fixing caps are respectively formed with circular caves around the through holes of the seat bodies, a hexagonal depression being formed on bottom wall of the circular cave of the first fixing cap. 6. The grinding wheel as claimed in claim 1, wherein the ring-shaped wheel has a fixing section, a connecting section and a working section from inner side to outer side, the working section including multiple radial steel wires implanted in outer circumference of the connecting section.
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이 특허에 인용된 특허 (3)
Muller Patrick,CHX, Grinding body and a fastening device.
Salje Ernst (Schulheide 4 Bendestorf DEX D2106) Bartsch Ulrich (Braunschweig DEX), Rotatable article, such as a tool, provided with means for damping vibration.
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