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    • 8. 发明申请
    • Stepladder with Latch Stud and Method
    • 梯子与闩锁螺柱和方法
    • US20170044827A1
    • 2017-02-16
    • US15341749
    • 2016-11-02
    • Thomas W. ParkerBrian Wong-ShuiDevin Lee MooreChristian M. OtisErick E. Rios
    • Thomas W. ParkerBrian Wong-ShuiDevin Lee MooreChristian M. OtisErick E. Rios
    • E06C1/387A47C12/00E06C1/383
    • E06C1/387A47C12/00E06C1/383E06C1/393
    • 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.
    • 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。