Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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B23Q
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
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16/00
Equipment for precise positioning of tool or work into particular locations not otherwise provided for
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B23Q16/04
having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
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B23Q16/065

CAM MECHANISM, CAM MECHANISM MANUFACTURING METHOD, CAMSHAFT MANUFACTURING METHOD, NC ROTARY TABLE
20250162094 · 2025-05-22 · ·

A cam mechanism includes a base, a roller gear, and a camshaft. The roller gear and the camshaft are rotatably supported by the base. The roller gear has a turret and a plurality of cam followers mounted on the circumference of the turret. The camshaft has a shaft portion and a tapered rib having a first tapered rib and a second tapered rib. The first and second tapered ribs are each engaged with the cam followers. The first and second tapered ribs are configured to rotate relative to each other around a rotation axis of the shaft portion during adjustment of preload at which the first and second tapered ribs are pressed against the cam followers. After the adjustment of the preload, the second tapered rib is fixed to the shaft portion, and the first and second tapered ribs are prevented from rotating relatively.

Cam mechanism, cam mechanism manufacturing method, camshaft manufacturing method, NC rotary table
12539570 · 2026-02-03 · ·

A cam mechanism includes a base, a roller gear, and a camshaft. The roller gear and the camshaft are rotatably supported by the base. The roller gear has a turret and a plurality of cam followers mounted on the circumference of the turret. The camshaft has a shaft portion and a tapered rib having a first tapered rib and a second tapered rib. The first and second tapered ribs are each engaged with the cam followers. The first and second tapered ribs are configured to rotate relative to each other around a rotation axis of the shaft portion during adjustment of preload at which the first and second tapered ribs are pressed against the cam followers. After the adjustment of the preload, the second tapered rib is fixed to the shaft portion, and the first and second tapered ribs are prevented from rotating relatively.