Title:
CLAMP
Document Type and Number:
Japanese Patent JP2001049665
Kind Code:
A
Abstract:
To provide a clamp capable of efficiently conducting pile extraction works.
The clamp has a shackle 1, a pair of link arms 3a, 3b rotatably connected at the lower end of the shackle and a pair of receiving seats 5a, 5b rotatably connected at each lower end of a pair of the link arms. A pair of the receiving seats are arrayed in approximately the same surface by closing a pair of the link arms and formed in a ring shape having a central opening 6 in fixed size when hanging operation is conducted through the shackle while being mutually connected so that the central opening is expanded by opening a pair of the link arms when pushing-up force is received from a lower section, and the clamp is proper to pile extraction.
Inventors:
YAMADA KIYOSHI
WATANABE MASAHIDE
NAGOSHI TAKEFUMI
TSUYAMA HATSUO
WATANABE MASAHIDE
NAGOSHI TAKEFUMI
TSUYAMA HATSUO
Application Number:
JP22904499A
Publication Date:
February 20, 2001
Filing Date:
August 13, 1999
Export Citation:
Assignee:
EAGLE CLAMP CO
International Classes:
B25B27/02; E02D9/02; E02D13/00; (IPC1-7): E02D13/00; B25B27/02; E02D9/02
Attorney, Agent or Firm:
Mulberry Hara Fumio
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