公开(公告)号：US3651704A

公开(公告)日：1972-03-28

申请号：US3651704D

申请日：1970-05-01

Applicant: ILLINOIS TOOL WORKS

Inventor： CHAPMAN ROBERT DEAN ,  GRANT SWICK EDWIN

IPC: F16H55/36 ,  F16H55/12

CPC classification number: F16H55/36 ,  F16H2055/366 ,  Y10T74/19893

Abstract: An article of manufacture normally having a secondary member necessary for its function insert molded in place and having warning means which renders the article inoperative when said secondary member is absent. The invention also contemplates the mold and method for fabricating such an article.

Abstract translation: 通常具有其功能所必需的辅助部件的制品通常具有模制到位并且具有警告装置，当所述次要部件不存在时使制品不起作用。 本发明还考虑了用于制造这种制品的模具和方法。