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1. 发明专利

DE69519827D1 未知
公开(公告)号：DE69519827D1
公开(公告)日：2001-02-15
申请号：DE69519827
申请日：1995-07-10
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , F16B37/04

2. 发明专利

MX9705454A ESCALERA DE EXTENSION, COMBINACION DE TAPA EXTREMO/MENSULA DE GUIA Y METODO PARA AJUSTAR LA DISTANCIA DE EXTENSION DE LA MISMA. 未知
公开(公告)号：MX9705454A
公开(公告)日：1998-08-30
申请号：MX9705454
申请日：1997-07-18
申请人： WERNER CO
发明人： BEGGS ROBERT D , HETRICH MITCHELL H , LEIPHEIMER CHRISTINE A , MABIE MARC A
IPC分类号： E06C1/12 , E06C01/12
摘要： Se describe una escalera de extension que comprende una seccion de base que comprende un primer larguero de base, un segundo larguero de base en relacion espaciada y en paralelo con el primer larguero de base y por lo menos un primer peldaño de base unido al primer larguero de base y el segundo larguero de base. La escalera de extension también comprende una seccion extensible unida de manera deslizable a la seccion de base. La seccion extensible comprende un primer larguero extensible, un segundo larguero extensible en relacion espaciada y en paralelo con el primer larguero extensible, por lo menos un primer peldaño extensible unido al primer larguero extensible y el segundo larguero extensible, una primera combinacion de tapa de extremo/ménsula de guía unida a la parte inferior del primer larguero extensible y una segunda combinacion de tapa de extremo/ménsula de guía unida a la parte inferior del segundo larguero extensible. Cada tapa de extremo/ménsula de guía consiste de una pieza continua. El primer larguero extensible se encuentra adyacente a y en paralelo con y en relacion espaciada con el primer larguero de base. El segundo larguero extensible se encuentra adyacente a y en paralelo con y en relacion espaciada con el segundo larguero de base. Las primeras y segundas combinaciones de tapa de extremo/ménsula de guía impiden que la seccion extensible se separe de la seccion de base y coronan el extremo inferior del primer larguero extensible y el segundo larguero extensible respectivamente. Una combinacion de tapa de extremo/ménsula de guía comprende una pared posterior. Adicionalmente, la tapa de extremo/ménsula de guía comprende una porcion de cierre de extremo de preferencia con una hendidura unida a la pared posterior. La tapa de extremo/ménsula de guía también comprende una porcion de gancho que tiene un gancho unido a la pared posterior y que se extiende perpendicularmente desde la porcion de cierre de extremo. Adicionalmente, la tapa de extremo/ménsula de guía comprende una porcion de bloque la cual se dispone adyacente y en paralelo con el gancho de la porcion de gancho y define de preferencia un primer canal con el gancho. El método para ajustar la distancia de extension de la escalera de extension comprende las etapas de hacer mover una seccion extensible a lo largo de una seccion de base mediante el deslizamiento de un primer canal que se une a una porcion de cierre de extremo unida en el extremo de cada larguero extensible de la seccion extensible, a lo largo del reborde de cada respectivo larguero de base de la seccion de base a una porcion deseada en relacion al larguero de base luego, se encuentra la etapa de colocar la seccion extensible y la seccion de base unida vertical contra un soporte pero a un ángulo en relacion al soporte.

3. 发明专利

SG46137A1 A ladder member for connecting a rail to a horizontal element of a ladder and method and apparatus and method for holding a washer 未知
公开(公告)号：SG46137A1
公开(公告)日：1998-02-20
申请号：SG1995000829
申请日：1995-07-08
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04

4. 发明专利

DE69519827T2 未知
公开(公告)号：DE69519827T2
公开(公告)日：2001-04-26
申请号：DE69519827
申请日：1995-07-10
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , F16B37/04

5. 发明专利

CA2153424A1 LADDER, MEMBER FOR CONNECTING A RAIL TO A HORIZONTAL ELEMENT OF A LADDER, AND METHOD, AND APPARATUS AND METHOD FOR HOLDING A WASHER 未知
公开(公告)号：CA2153424A1
公开(公告)日：1996-01-09
申请号：CA2153424
申请日：1995-07-07
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , E06C7/50
摘要： A LADDER, MEMBER FOR CONNECTING A RAIL TO A HORIZONTAL ELEMENT OF A LADDER, AND METHOD, AND APPARATUS AND METHOD FOR HOLDING A WASHER A member for connecting a rail to a horizontal element of a ladder. The member comprises a first portion that connects to the horizontal member. The member also comprises a second portion which connects to the rail and extends essentially in parallel with the rail. The second portion is integrally connected to the first portion such that the first portion and the second portion are one continuous piece. The second portion is in an angular relationship of less than 90.degree. with the first portion. A member for connecting a rail having a first rail flange and a second rail flange to a horizontal element of a ladder. The member comprises a first arm which connects to the first rail flange and the horizontal member. The member is also comprised of a second arm which connects to the second rail flange and the horizontal member. Additionally, the member comprises a central body which is integrally connected to the second arm and the first arm. The first arm, second arm and central body are one continuous piece, preferably of plastic. A ladder comprised of the member for each rail. A method for. using a ladder. The method comprises the steps of placinga load on the ladder. Next there is the step of transferring forces generated from the load to a member connected between a rail of the ladder and a first step of the ladder. The member can include an apparatus for holding a washer. An apparatus for holding a washer. The apparatus comprises a backing having a backing surface. The apparatus also comprises a retainer extending from the backing. The retainer holds the washer. The retainer has a front through which the washer is introduced into the retainer. Additionally, the apparatus comprises a stop extending from the backing. The stop is disposed adjacent to the front of the retainer and prevents the washer from coming out of the retainer when the washer is in the retainer. The present invention pertains to a method for holding a washer. The method comprises the steps of positioning the washer at a front of a retainer. Then there is the step of moving the washer past a stop adjacent the front of the retainer. Next there is the step of seating the washer in the retainer, with the stop preventing the washer from coming out of the retainer.

6. 发明专利

CA2153424C LADDER, MEMBER FOR CONNECTING A RAIL TO A HORIZONTAL ELEMENTOF A LADDER, AND METHOD, AND APPARATUS AND METHOD FOR HOLDING A WASHER 未知
公开(公告)号：CA2153424C
公开(公告)日：2002-09-03
申请号：CA2153424
申请日：1995-07-07
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , E06C7/50
摘要： A LADDER, MEMBER FOR CONNECTING A RAIL TO A HORIZONTAL ELEMENT OF A LADDER, AND METHOD, AND APPARATUS AND METHOD FOR HOLDING A WASHER A member for connecting a rail to a horizontal element of a ladder. The member comprises a first portion that connects to the horizontal member. The member also comprises a second portion which connects to the rail and extends essentially in parallel with the rail. The second portion is integrally connected to the first portion such that the first portion and the second portion are one continuous piece. The second portion is in an angular relationship of less than 90.degree. with the first portion. A member for connecting a rail having a first rail flange and a second rail flange to a horizontal element of a ladder. The member comprises a first arm which connects to the first rail flange and the horizontal member. The member is also comprised of a second arm which connects to the second rail flange and the horizontal member. Additionally, the member comprises a central body which is integrally connected to the second arm and the first arm. The first arm, second arm and central body are one continuous piece, preferably of plastic. A ladder comprised of the member for each rail. A method for. using a ladder. The method comprises the steps of placinga load on the ladder. Next there is the step of transferring forces generated from the load to a member connected between a rail of the ladder and a first step of the ladder. The member can include an apparatus for holding a washer. An apparatus for holding a washer. The apparatus comprises a backing having a backing surface. The apparatus also comprises a retainer extending from the backing. The retainer holds the washer. The retainer has a front through which the washer is introduced into the retainer. Additionally, the apparatus comprises a stop extending from the backing. The stop is disposed adjacent to the front of the retainer and prevents the washer from coming out of the retainer when the washer is in the retainer. The present invention pertains to a method for holding a washer. The method comprises the steps of positioning the washer at a front of a retainer. Then there is the step of moving the washer past a stop adjacent the front of the retainer. Next there is the step of seating the washer in the retainer, with the stop preventing the washer from coming out of the retainer.

7. 发明专利

BR9503248A 未知
公开(公告)号：BR9503248A
公开(公告)日：1996-07-09
申请号：BR9503248
申请日：1995-07-07
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDRICK J
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , E06C1/16 , E06C7/06

8. 发明专利

NZ272517A LADDER SUPPORT BRACKET, SECOND PORTION CONFORMS WITH AND EXTENDS ALONG THE RAIL TO WHICH IT IS ATTACHED 未知
公开(公告)号：NZ272517A
公开(公告)日：1998-05-27
申请号：NZ27251795
申请日：1995-07-06
申请人： WERNER CO
发明人： PLOTNER DAVID EUGENE , HEALD EDWARD EUGENE , MCINTIRE KEVIN LEE , SULECKI RICHARD PAUL , HETRICH MITCHELL H , BARTNICKI FREDERICK JOSEPH
IPC分类号： E06C1/02 , B23P19/08 , E06C1/18 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , F16B37/04

9. 发明专利

CA2210162A1 EXTENSION LADDER, COMBINATION END CAP/GUIDE BRACKET, AND METHOD FOR CLIMBING 未知
公开(公告)号：CA2210162A1
公开(公告)日：1998-01-18
申请号：CA2210162
申请日：1997-07-17
申请人： WERNER CO
发明人： LEIPHEIMER CHRISTINE A , HETRICH MITCHELL H , BEGGS ROBERT D , MABIE MARC A
IPC分类号： E06C1/12 , E06C7/42
摘要： An extension ladder comprises a base section comprising a first base rail, a second base rail in spaced relationship and in parallel with the first base rail, and at least a first base rung connected to the first base rail and the second base rail. The extension ladder also comprises a fly section slidably connected to the base section. The fly section comprises a first fly rail, a second fly rail in spaced relationship and in parallel with the first fly rail, at least a first fly rung connected to the first fly rail and the second fly rail, a first combination end cap/guide bracket connected to the bottom of the first fly rail, and a second combination end cap/guide bracket connected to the bottom of the second fly rail. Each end cap/guide bracket is one continuous piece. The first fly rail is adjacent to and in parallel with and in spaced relationship with said first base rail. The second fly rail is adjacent to and in parallel with and in spaced relationship with said second base rail. The first and second combination end cap/guide bracket prevents the fly section separating from the base section and capping the bottom end of the first fly rail and second fly rail, respectively. A combination end cap/guide bracket comprises a back wall. Additionally, the end cap/guide bracket comprises an end closure portion preferably with a slot connected to the back wall. The end cap/guide bracket also comprises a hook portion having a hook connected to the back wall and extending perpendicularly from the end closure portion. Additionally, the end cap/guide bracket comprises a block portion which is disposed adjacent and in parallel with the hook of the hook portion and preferably defines a first channel with the hook. A method for climbing comprises the steps of moving a fly section along a base section while being engaged with the base section by sliding a first channel that is connected to an end closure portion attached at the end of each fly rail of the fly section along the flange of each respective base rail of the base section to a desired portion relative to the base rail. Then, there is the step of placing the fly section and connected base section upright against a support but at an angle relative to the support.

10. 发明专利

ZA955677B A ladder member for connecting a rail to a horizontal element of a ladder and method and apparatus and method for holding a washer 未知
公开(公告)号：ZA955677B
公开(公告)日：1996-02-22
申请号：ZA955677
申请日：1995-07-07
申请人： WERNER CO
发明人： PLOTNER DAVID E , HEALD EDWARD E , MCINTIRE KEVIN L , SULECKI RICHARD P , HETRICH MITCHELL H , BARTNICKI FREDERICK J
IPC分类号： E06C1/12 , E06C7/08 , E06C7/10 , E06C7/42 , F16B5/04 , E06C , F16B

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