Drive device for a mechanical press

Metal deforming – With means to drive tool – Including gear-actuated tool support

Reexamination Certificate

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Details

C100S280000, C100S282000, C072S455000, C192S01200R, C192S144000

Reexamination Certificate

active

10613523

ABSTRACT:
The invention provides a drive device for a mechanical press with a two-step speed reduction mechanism for driving a slide of the mechanical press and includes a drive pinion provided concentrically with a crankshaft, a main gear mounted on said crankshaft, intermediate gears meshing with the drive pinion, and intermediate pinions meshing with the main gear. A plurality of the intermediate gears and the intermediate pinions are provided concentrically with each other. An intermediate gear that meshes with the drive pinion is arranged concentric with an intermediate pinion that meshes with a main gear. This drive device provides a more compact mechanical press.

REFERENCES:
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patent: 4625850 (1986-12-01), Marsh
patent: 5158047 (1992-10-01), Schaal et al.
patent: 6301986 (2001-10-01), Berky
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patent: 09-174289 (1997-07-01), None
patent: 10-314996 (1998-12-01), None
patent: 11-033797 (1999-02-01), None
patent: 11-090691 (1999-04-01), None
Patent Abstracts of Japan for JP06-063799 published on Mar. 8, 1994.
Patent Abstracts of Japan for JP11-033797 published on Feb. 9, 1999.
Patent Abstracts of Japan for JP06-155099 published on Jun. 3, 1994.
Patent Abstracts of Japan for JP10-314996 published on Dec. 2, 1998.
English Abstract of EP 1075931A2.
Examination Report from the European Patent Office dated Jan. 3, 2006.

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