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Patent Searching and Data


Title:
MANUFACTURE OF TROUGH RECEIVING METAL FITTING
Document Type and Number:
Japanese Patent JPH10193012
Kind Code:
A
Abstract:

To provide the manufacturing method of a torque receiving metal fitting by blanking capable of manufacturing the same size products from a strop metal stock.

In the method for manufacturing the trouge receiving metal fitting by blanking with a press or the like from a thin strip meal stock 10 the through receiving member 20 wherein the forward lug engaging piece 26 having two finger-like projecting pieces 23 in both sides of the crotch part deeply notched the central part and the backward lug engaging piece 24 consisting of one long tapered horn-like projecting piece are respectively and integrally formed in one end and the other end of the receiving main body 21, blanking is executed under such a state that the same shape and size of dies becoming the trough receiving member 20 are longitudinally arranged in the surface of the continuous long size of strip metal stock 10 and moreover respective projecting pieces are arranged so as to mutually overlap by the length of respective projecting pieces with the succeeding one so that the tapered horn-like projecting piece exists within the forked part between the finger-like projecting pieces 23, the receiving part main body is bent into a recessed bending shape after blanking, further both forward and backward projecting pieces are bent so as to become the forward and backward lug engaging pieces 24, 26.


Inventors:
YASUI TOSHIO
Application Number:
JP1728197A
Publication Date:
July 28, 1998
Filing Date:
January 13, 1997
Export Citation:
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Assignee:
OTIS KK
International Classes:
E04D13/072; B21D5/01; B21D28/00; B21D28/02; B21D28/06; B21D53/00; (IPC1-7): B21D53/00; B21D5/01; B21D28/00; B21D28/02; B21D28/06; E04D13/072
Attorney, Agent or Firm:
Yasuhiro Moriwaki