JPS6381095U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はジヤツキの縦断面図、第２図は正面図
、第３図は第１図のＡ部拡大図、第４図は従来の
ジヤツキの縦断面図である。 １……ジヤツキ受け体、２……ジヤツキ本体、
４……台形メネジ、５……下端部、６……大径オ
ネジ、７……中間部、９……小径オネジ、１１…
…ストツパ、１３……底部、１４……頭部、１５
……凹部。 FIG. 1 is a longitudinal sectional view of the jack, FIG. 2 is a front view, FIG. 3 is an enlarged view of section A in FIG. 1, and FIG. 4 is a longitudinal sectional view of a conventional jack. 1... Jacket receiver, 2... Jacket body,
4...Trapezoidal female thread, 5...Lower end, 6...Large diameter male thread, 7...Middle part, 9...Small diameter male thread, 11...
...Stopper, 13...Bottom, 14...Head, 15
...Concavity.

Claims (1)

【実用新案登録請求の範囲】 (1) 内周面にメネジを有するジヤツキ本体と、
該ジヤツキ本体に嵌入され、前記メネジと係合す
るオネジを有するジヤツキ受け体とよりなるジヤ
ツキにおいて、前記ジヤツキ本体にストツパが設
けられ、前記ジヤツキ受け体の下端部に、該スト
ツパに係止する大径のオネジが形成されていると
共に、中間部に該ストツパとの間に隙間を有する
小径のオネジが形成されていることを特徴とする
ジヤツキ。 (2) 前記ジヤツキ本体の底部に、前記ジヤツキ
受け体の頭部が嵌合する凹部が設けられているこ
とを特徴とする実用新案登録請求の範囲第１項記
載のジヤツキ。[Scope of claims for utility model registration] (1) A jack body having a female thread on the inner peripheral surface,
In a jack comprising a jack receiver that is fitted into the jack main body and has a male thread that engages with the female thread, the jack main body is provided with a stopper, and the lower end of the jack receiver has a large size that is engaged with the stopper. A jack characterized in that a male screw with a large diameter is formed, and a male screw with a small diameter is formed in an intermediate portion with a gap between it and the stopper. (2) The jack according to claim 1, wherein the jack main body has a recessed portion in which the head of the jack receiver fits into the bottom of the jack main body.