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Patent Searching and Data


Title:
【発明の名称】ボルト抜き取り装置
Document Type and Number:
Japanese Patent JPH0761616
Kind Code:
B2
Abstract:
An easy-out threaded fastener extractor combination tool wherein an extractor (20) is combined with a drill head (12) so that in use the drilling and extracting operation is performed at the same time. The extractor (20) is threadably mounted on the drill bit shaft (14) and moveable along the longitudinal axis thereof enabling the drill bit (12) to penetrate within a broken bolt and subsequently having the extractor (20) engaging the same for removal. A suitable drive head (16) is provided for a drill chuck or other force producing device.

Inventors:
Eri Polonsky
Application Number:
JP9497787A
Publication Date:
July 05, 1995
Filing Date:
April 17, 1987
Export Citation:
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Assignee:
Alden Corporation
International Classes:
B25B27/18; (IPC1-7): B25B27/18
Attorney, Agent or Firm:
Kazuhiro Kitazawa (2 outside)