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Patent Searching and Data


Title:
PRESS MACHINE AND PRESS-WORKING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/139064
Kind Code:
A1
Abstract:
In this press machine, a ram (1) is moved up and down by the rotation of an eccentric shaft. The press machine comprises a striker housing (9) provided to the lower part of the ram (1) and moved up and down along with the ram (1), a striker (3) capable of moving up and down relative to the striker housing (9), and a holding function (11, 13, 15, 19, 21, 25) that holds the striker (3) in a raised position and a lowered position. With this press machine, press-working can be reliably performed even when the eccentric shaft reciprocatingly turns with the rotation angle of the eccentric shaft at approximately 90° (or 270°).

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Inventors:
KAWAMOTO Keiji (200 Ishida, Isehara-shi Kanagawa, 96, 〒2591196, JP)
Application Number:
JP2019/000450
Publication Date:
July 18, 2019
Filing Date:
January 10, 2019
Export Citation:
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Assignee:
AMADA HOLDINGS CO.,LTD. (200 Ishida, Isehara-shi Kanagawa, 96, 〒2591196, JP)
International Classes:
B30B1/26; B21D28/34; B30B15/06
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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