Plug wrench
AssigneeKo-Ken Tool Co., Ltd.
InventorShoichiro Yamashita
Life of this patent
Estimating the term…
Abstract
The present invention provides a plug wrench in which a plug can be fitted securely to a wrench body and the plug is not damaged in fitting. The plug wrench comprises a concave fitting portion for inserting the plug in the cylindrical wrench body operated by a rotating handle, a fixing member made of a metal sheet fitted in the concave fitting portion, and a guide member with less hardness fitted on the bottom face of the fitting member.
Claims4
A plug wrench comprising a concave fitting portion, in which a plug is inserted, formed on an opposite side of a cylindrical wrench body provided with an operating portion to which a tip-end square portion of a rotating operation handle is fitted, a fixing member made of a metal sheet fitted in said concave fitting portion, and a guide member with less hardness than said plug, which is fitted on a bottom face of said concave fitting portion so that said plug comes into direct contact with said guide member.
A plug wrench comprising:
- a concave fitting portion, in which a plug is inserted, formed on an opposite side of a cylindrical wrench body provided with an operating portion to which a tip-end square portion of a rotating operation handle is fitted;
- a fixing member, made of a metal sheet fitted in said concave fitting portion, having a ring face attached to said concave fitting portion and a plurality of bent plate springs which rise from an edge of said ring face and come into contact with a peripheral surface of said concave fitting portion;
- and
- a brass guide member, which is fitted on a bottom face of said concave fitting portion so that said plug comes into direct contact with said guide member.
Dependencies are inferred from the claim text.