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1. 发明申请

US20150211297A1 Stepladder with Latch Stud and Method 有权
标题翻译：梯子与闩锁螺柱和方法
公开(公告)号：US20150211297A1
公开(公告)日：2015-07-30
申请号：US14668526
申请日：2015-03-25
申请人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/383
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部。梯子包括附接到第一前腿和第二前腿的台阶。梯子包括与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部可枢转地连接到前部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺柱接合并锁定到第一螺柱以限定接合位置，其中第一前腿和第一后腿处于打开位置并形成倒V形并被防止折叠在一起，并且当拉起时闩锁从接合位置脱离第一螺柱，并允许前部和后部一起折叠到第一后腿和第一前腿平行的关闭位置。定位阶梯的方法。

2. 发明授权

US09488002B2 Stepladder with latch stud and method 有权
标题翻译：梯形锁闩和方法
公开(公告)号：US09488002B2
公开(公告)日：2016-11-08
申请号：US14668526
申请日：2015-03-25
申请人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/393 , E06C1/383 , E06C1/387 , A47C12/00
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部。梯子包括附接到第一前腿和第二前腿的台阶。梯子包括与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部可枢转地连接到前部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺柱接合并锁定到第一螺柱以限定接合位置，其中第一前腿和第一后腿处于打开位置并形成倒V形并被防止折叠在一起，并且当拉起时闩锁从接合位置脱离第一螺柱，并允许前部和后部一起折叠到第一后腿和第一前腿平行的关闭位置。定位阶梯的方法。

3. 发明申请

US20140190769A1 Stepladder with Latch Stud and Method 有权
标题翻译：梯子与闩锁螺柱和方法
公开(公告)号：US20140190769A1
公开(公告)日：2014-07-10
申请号：US13738598
申请日：2013-01-10
申请人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/383
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部。梯子包括附接到第一前腿和第二前腿的台阶。梯子包括与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部可枢转地连接到前部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺柱接合并锁定到第一螺柱以限定接合位置，其中第一前腿和第一后腿处于打开位置并形成倒V形并被防止折叠在一起，并且当拉起时闩锁从接合位置脱离第一螺柱，并允许前部和后部一起折叠到第一后腿和第一前腿平行的关闭位置。定位阶梯的方法。

4. 发明申请

US20170044827A1 Stepladder with Latch Stud and Method 审中-公开
标题翻译：梯子与闩锁螺柱和方法
公开(公告)号：US20170044827A1
公开(公告)日：2017-02-16
申请号：US15341749
申请日：2016-11-02
申请人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/387 , A47C12/00 , E06C1/383
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部。梯子包括附接到第一前腿和第二前腿的台阶。梯子包括与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部可枢转地连接到前部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺柱接合并锁定到第一螺柱以限定接合位置，其中第一前腿和第一后部处于打开位置并且形成倒V形并被防止折叠在一起，并且当从所述接合位置与所述第一螺柱脱离，并且允许所述前部和后部一起折叠到所述第一后腿和所述第一前腿平行的关闭位置。定位阶梯的方法。

5. 发明授权

US08997931B2 Stepladder with latch stud and method 有权
标题翻译：梯形锁闩和方法
公开(公告)号：US08997931B2
公开(公告)日：2015-04-07
申请号：US13738598
申请日：2013-01-10
申请人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/393 , E06C1/383 , E06C1/387
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg and a step attached to the first front leg and the second front leg and a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部，以及附接到第一前腿和第二前腿的台阶以及与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺栓接合并锁定到第一螺柱，以限定接合位置，其中第一前腿和第一后腿处于打开位置，并形成倒V形并防止其折叠在一起。

6. 发明申请

US20200080376A1 Stepladder with Latch Stud and Method 审中-公开
公开(公告)号：US20200080376A1
公开(公告)日：2020-03-12
申请号：US16678670
申请日：2019-11-08
申请人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/387 , E06C1/383 , A47C12/00 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.

7. 发明授权

US10472888B2 Stepladder with latch stud and method 有权
公开(公告)号：US10472888B2
公开(公告)日：2019-11-12
申请号：US15341749
申请日：2016-11-02
申请人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/393 , E06C1/387 , E06C1/383 , A47C12/00
摘要： A stepladder includes a front section having a first :front leg and a second front leg and a step attached to the first front leg and the second front leg and a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together.

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