TWM246490U - Self-propelled tapping type screw for arc screw diameter - Google Patents

Self-propelled tapping type screw for arc screw diameter Download PDF

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Publication number
TWM246490U
TWM246490U TW92206358U TW92206358U TWM246490U TW M246490 U TWM246490 U TW M246490U TW 92206358 U TW92206358 U TW 92206358U TW 92206358 U TW92206358 U TW 92206358U TW M246490 U TWM246490 U TW M246490U
Authority
TW
Taiwan
Prior art keywords
arc
screw
self
valley
propelled
Prior art date
Application number
TW92206358U
Other languages
English (en)
Inventor
Je-Hung Lin
Original Assignee
Je-Hung Lin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Je-Hung Lin filed Critical Je-Hung Lin
Priority to TW92206358U priority Critical patent/TWM246490U/zh
Publication of TWM246490U publication Critical patent/TWM246490U/zh

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Description

M246490 五、創作說明（3) 輕量化之需求。 (4 )由於模具幾何形狀之變更，使牙峰與牙谷落差 加大而使螺絲與工件键合性增加。 (5 )由於模具形狀改善’而使螺牙牙底有光滑之表 面’於表面處理時，有較佳的外觀效果。 (6 )因（5)之因素螺紋表面磨擦係數降低使得與工作 結合時可減少阻力。 本案所揭示者，乃較佳實 更或修飾而源於本案之技術思 易於推知者，倶不脫本案之專 綜上所陳，本案無論就目 其迴異於習知之技術特徵，且 在符合新型之專利要件，習知 史，欲對此成熟之物件進行改 查委員•明察，並祈早曰賜予專 便。* 施例之一種，舉凡局部之變 想而為熟習該項技藝之人所 利權範疇。 的、手段與功效，在在顯示 其首先創作.合於實用’亦在 螺牙之使用已有數百年之歷 良’實屬不易，懇請 貴審 利’俾嘉惠社會，實感德
第6頁 M24j6490 圖式簡單說明 -: 五、【圖式簡單說明】 圖一為習知之TYPE A螺紋。 圖二為習知之TYPE B螺紋。 圖三為習知兩者結合之TYPE AB螺紋。 圖四為德國EJOT所擁事之專利PT牙螺紋。 圖五為本案之示意圖。 圖號說明： 牙峰 1 牙谷 1 '
第7頁

Claims (1)

  1. M246490 六、申請專利範圍 -- 1 · 一種弧形牙谷自攻鑽入型螺絲，其特徵在於相鄰 兩螺牙之牙峰間，向内呈弧形凹陷，以形成弧形之牙谷 者。 2 .如申請專利範圍第1項所述之弧形牙谷自攻鑽入型 螺絲，其中牙谷之弧形係為等徑者。 3 .如申請專利範圍第1項所述之弧形牙谷自攻鑽入型 t螺絲，其中之牙谷之弧形係為二或以上非等徑弧形串接 者0
    第8頁
TW92206358U 2003-04-22 2003-04-22 Self-propelled tapping type screw for arc screw diameter TWM246490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW92206358U TWM246490U (en) 2003-04-22 2003-04-22 Self-propelled tapping type screw for arc screw diameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW92206358U TWM246490U (en) 2003-04-22 2003-04-22 Self-propelled tapping type screw for arc screw diameter

Publications (1)

Publication Number Publication Date
TWM246490U true TWM246490U (en) 2004-10-11

Family

ID=34433079

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92206358U TWM246490U (en) 2003-04-22 2003-04-22 Self-propelled tapping type screw for arc screw diameter

Country Status (1)

Country Link
TW (1) TWM246490U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7762753B2 (en) 2005-08-09 2010-07-27 Acument Gmbh & Co. Ohg Self-piercing rotationally symmetrical rivet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7762753B2 (en) 2005-08-09 2010-07-27 Acument Gmbh & Co. Ohg Self-piercing rotationally symmetrical rivet

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