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公开(公告)号：US5851095C1
公开(公告)日：2001-10-16
申请号：US5957798
申请日：1998-04-14
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , MCCORMACK EDWARD A , FORD CHADDS , DICKERSON HARRY L
CPC classification number: F16B41/002
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公开(公告)号：WO9953206A3
公开(公告)日：1999-12-09
申请号：PCT/US9905564
申请日：1999-03-16
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , MCCORMACK EDWARD A , DICKERSON HARRY L
CPC classification number: F16B41/002 , Y10S411/97 , Y10S411/999
Abstract: A captive screw (10) attachable to an upper panel (60), for attaching the upper panel (60) to a lower surface (62), the lower surface (62) having a threaded hole, the capture screw (10) having a screw (20), a ferrule (50) that attaches to the upper panel (60), a thin-walled, cylindrical hollow knob (30) and protrusions (26) integral to the outer perimeter (25) of the head portion of the screw (20) to rigidly secure the perimeter of the head of the screw to the inner surface of the knob (30), the protrusions (26) providing a press-fit of the screw to the inner surface of the knob where the screw is pressed into the knob from the underside of the knob.
Abstract translation: 一种固定螺钉（10），可附接到上板（60），用于将上板（60）附接到下表面（62），下表面（62）具有螺纹孔，捕获螺钉（10）具有 螺钉（20），附接到上板（60）的套圈（50），薄壁的圆柱形中空旋钮（30）和与所述顶板的头部的外周（25）成一体的突起（26） 螺钉（20）将螺钉的头部的周边刚性地固定到旋钮（30）的内表面，突起（26）提供螺钉压配合到旋钮的内表面，螺钉是 从旋钮的下侧按入旋钮。
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公开(公告)号：DE19647742C2
公开(公告)日：2001-02-15
申请号：DE19647742
申请日：1996-11-06
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , DICKERSON HARRY L
Abstract: A one-directional captive screw attachable to a panel that is hand tightenable, but requires a tool to loosen once hand tightened. The captive screw includes a screw having a head with a recess and a threaded portion, a knob having a central longitudinal axis coaxial with the screw, a one-directional ratchet between the knob and the screw. The ratchet engages to allow the screw to be tightened in a clockwise direction using the knob, and disengages when rotated in a counterclockwise direction, such that a tool is required to loosen the screw by use of the recess.
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公开(公告)号：ES2134105B1
公开(公告)日：2000-02-16
申请号：ES9601151
申请日：1996-05-24
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , DICKERSON HARRY L
Abstract: A one-directional captive screw attachable to a panel that is hand tightenable, but requires a tool to loosen once hand tightened. The captive screw includes a screw having a head with a recess and a threaded portion, a knob having a central longitudinal axis coaxial with the screw, a one-directional ratchet between the knob and the screw. The ratchet engages to allow the screw to be tightened in a clockwise direction using the knob, and disengages when rotated in a counterclockwise direction, such that a tool is required to loosen the screw by use of the recess.
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公开(公告)号：MX9601526A
公开(公告)日：1997-05-31
申请号：MX9601526
申请日：1996-04-24
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , DICKERSON HARRY L
Abstract: Un tornillo prisionero unidireccional conectable a un panel, que se aprieta a mano, pero requiere una herramienta para aflojarlo una vez que se ha apretado a mano. El tornillo prisionero incluye un resorte que tiene una cabeza con un rebajo y una porcion roscada, una perilla que tiene un eje longitudinal central coaxial con el tornillo, un trinquete unidireccional entre la perilla y el tornillo. El trinquete acopla para permitir que el tornillo se apriete en una direccion en el sentido de las manecillas del reloj utilizando la perilla, y se desprende cuando se gira en una direccion contraria al sentido de las manecillas del reloj, de manera tal que se requiere una herramienta para aflojar el tornillo por el uso del rebajo.
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Patent Agency Ranking
公开(公告)号：GB2385646A
公开(公告)日：2003-08-27
申请号：GB0312987
申请日：2001-12-14
Applicant: SOUTHCO
Inventor： MCCORMACK EDWARD A , ELLIS THOMAS J , SEWALT DANIN , DICKERSON HARRY L , MENTA MICHAEL , SAREYKA KYLE , LEWIS RICHARD , AUKZEMAS THOMAS V , WANSTALL JAMES
Abstract: A captive screw (100) including a screw (102) and a ferrule (104) is disclosed. One end (118) of the ferrule is adapted for engagement to a hole in a panel to be secured by the captive screw. The screw has an annular flange (114) that is captured within the bore (116) of the ferrule. The screw has a shaft (110) with a threaded portion (112). The threaded portion of the screw shaft can be made to extend from the ferrule to varying amounts as the screw is moved relative to the ferrule between extended and retracted positions. An optional spring (106) may be provided in the ferrule to bias the screw toward the retracted position.
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公开(公告)号：IT1286125B1
公开(公告)日：1998-07-07
申请号：ITTO960544
申请日：1996-06-26
Applicant: SOUTHCO INC UNA SOCIETA DEL DE
Inventor： ELLIS THOMAS J , DICKERSON HARRY L
Abstract: A one-directional captive screw attachable to a panel that is hand tightenable, but requires a tool to loosen once hand tightened. The captive screw includes a screw having a head with a recess and a threaded portion, a knob having a central longitudinal axis coaxial with the screw, a one-directional ratchet between the knob and the screw. The ratchet engages to allow the screw to be tightened in a clockwise direction using the knob, and disengages when rotated in a counterclockwise direction, such that a tool is required to loosen the screw by use of the recess.
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公开(公告)号：AU3387499A
公开(公告)日：1999-11-01
申请号：AU3387499
申请日：1999-04-08
Applicant: SOUTHCO
Inventor： ELLIS THOMAS J , MCCORMACK EDWARD A , DICKERSON HARRY L
IPC: B23P19/08 , B21D22/00 , B21D22/20 , B21D28/00 , B21D53/00 , B21G5/00 , B21J5/00 , B21K1/00 , B21K21/02 , B23G9/00 , F16B5/02 , F16B41/00 , B23G5/00 , B21H3/02
Abstract: A method of making a knob and ferrule for a captive screw is disclosed, the knob integrally attached to the screw, the ferrule attachable to a panel. The method of making the knob includes providing an aluminum alloy base metal for the knob, pressing by cold-forming the base material into a generally cylindrical cup-shaped article using at least one pressing operation, the cup having a generally cylindrical side wall, removing any base material situated outside the perimeter of the cup-shaped cylindrical article, and providing a hole in the bottom of the cup, coaxial with the hollow cylindrical walls of the cup, thereby forming the knob. The method of making the ferrule includes providing a metal base material for the ferrule, pressing the base material, by cold-forming, into a cylindrical article using at least one pressing operation, the cylindrical article having a cylindrical side wall having an outer surface, cold-forming an attachment device an end of the ferrule; and removing any base material situated outside the perimeter of the cylindrical article, thereby forming the ferrule. All major parts of the captive screw, including the knob, ferrule and screw may be cold formed.
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公开(公告)号：CA2328161A1
公开(公告)日：1999-10-21
申请号：CA2328161
申请日：1999-04-08
Applicant: SOUTHCO
Inventor： DICKERSON HARRY L , ELLIS THOMAS J , MCCORMACK EDWARD A
IPC: B23P19/08 , B21D22/00 , B21D22/20 , B21D28/00 , B21D53/00 , B21G5/00 , B21J5/00 , B21K1/00 , B21K21/02 , B23G9/00 , F16B5/02 , F16B41/00 , B23G5/00 , B21H3/02
Abstract: A method of making a knob (30) and ferrule (50) for a captive screw (10) is disclosed, the knob (30) integrally attached to the screw (10), the ferrule (50) attachable to a panel (60). The method of making the knob (30) includes providing an aluminum alloy base metal for the knob (30), pressing by coldforming the base material into a generally cylindrical cup-shaped article (32) using at least one pressing operation, the cup having a generally cylindrical side wall (33), removing any base material situated outside of the perimeter of the cup-shaped article (32) and providing a hole in the bottom of the cup (32), coaxial with the hollow cylindrical walls (33) of the cup (32), thereby forming the knob (30).
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公开(公告)号：GB2307019B
公开(公告)日：1999-08-04
申请号：GB9606354
申请日：1996-03-26
Applicant: SOUTHCO
Inventor： ELLIS THOMAS , DICKERSON HARRY L
Abstract: A one-directional captive screw attachable to a panel that is hand tightenable, but requires a tool to loosen once hand tightened. The captive screw includes a screw having a head with a recess and a threaded portion, a knob having a central longitudinal axis coaxial with the screw, a one-directional ratchet between the knob and the screw. The ratchet engages to allow the screw to be tightened in a clockwise direction using the knob, and disengages when rotated in a counterclockwise direction, such that a tool is required to loosen the screw by use of the recess.
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