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    • 4. 发明授权
    • Folding firedoor lead post assembly
    • 折叠式烤架导柱组件
    • US4834161A
    • 1989-05-30
    • US72986
    • 1987-07-14
    • Ronald F. JohnsonJ. A. SmartE. Carl GoodmanRichard Bowles
    • Ronald F. JohnsonJ. A. SmartE. Carl GoodmanRichard Bowles
    • E05B65/08E06B3/94E06B5/16
    • E06B5/16E05B65/087E06B3/94Y10T292/0962Y10T292/1007Y10T292/558
    • In order to reduce heat transfer from one side of a folding fire door lead post assembly to the other side, the lead post assembly includes a central lead post which forms the leading edge of the assembly. In one embodiment of the invention, wing panels extend from the sides of the central lead post and the receiving recess for the door when in closed condition is adapted to receive the central lead post and adjacent portions of the wing panels so that no portion of the central lead post is open to a room on either side of the door when the door is in closed condition. Heat transfer is from one wing panel to the central lead post to the other wing panel rather than directly from the fire to the central lead post. In a second embodiment of the invention, lead post side extensions are secured to the central lead post with heat insulating material therebetween. The central lead post leading edge which extends forwardly of the side extensions is adapted to be completely received within a mating female recess when the door is closed so that the only heat transfer through the lead post assembly from a fire on one side of the door is from the side extension on that side of the door, to the central lead post, to the side extension on the other side. In addition, where biparting doors are used and latching of the doors is desired, a temperature sensitve latch is provided to mechanically latch the doors together upon the fire side of the door reaching a predetermined temperature. The latch incldues at least one latching element biased to locking position and normally held in unlocked position. The latching element is released from its unlocked position upon sensing of the predetermined temperature. The temperature may be conveniently sensed by the melting of a material of the predetermined temperature which, upon melting, releases the latching element.
    • 为了减少从折叠防火门引线柱组件的一侧到另一侧的热传递,引线柱组件包括形成组件前缘的中心引导柱。 在本发明的一个实施例中,当处于闭合状态时,翼片从中心引导柱的侧面延伸,并且用于门的接收凹槽适于容纳中心引导柱和翼板的相邻部分,使得不会部分 当门处于关闭状态时,中央导柱位于门的两侧的房间。 热传递是从一个翼板到中央引导柱到另一个翼板,而不是直接从火到中心引导柱。 在本发明的第二实施例中,引线柱侧延伸部用绝热材料固定在中心引线柱上。 当门关闭时,向前延伸的中心引导柱前缘适于完全容纳在配合的凹槽内,使得从门的一侧上的火中仅通过引导柱组件的热传递是 从门的那一侧的侧面延伸到中央引导柱,到另一侧的侧向延伸。 此外,在使用双门并且需要门锁定的情况下,提供温度敏感锁闩以在门的防火侧达到预定温度时将门机械地锁定在一起。 闩锁包括至少一个偏压到锁定位置并且通常保持在解锁位置的闩锁元件。 在检测到预定温度时,闩锁元件从其解锁位置释放。 可以通过熔化预定温度的材料的熔化来方便地感测温度,熔化后的材料释放闭锁元件。
    • 8. 发明授权
    • Folding firedoor lead post assembly
    • 折叠式烤架导柱组件
    • US4924929A
    • 1990-05-15
    • US256870
    • 1988-10-12
    • Ronald F. JohnsonJ. A. SmartE. Carl GoodmanRichard Bowles
    • Ronald F. JohnsonJ. A. SmartE. Carl GoodmanRichard Bowles
    • E05B65/08E06B3/94E06B5/16
    • E05B65/087E06B3/94E06B5/16Y10T292/0962Y10T292/1007Y10T292/558
    • In order to reduce heat transfer from one side of a folding fire door lead post assembly to the other side, the lead post assembly includes a central lead post which forms the leading edge of the assembly. In one embodiment of the invention, wing panels extend from the sides of the central lead post and the receiving recess for the door when in closed condition is adapted to receive the central lead post and adjacent portions of the wing panels so that no portion of the central lead post is open to a room on either side of the door when the door is in closed condition. Heat transfer is from one wing panel to the central lead post to the other wing panel rather than directly from the fire to the central lead post. In a second embodiment of the invention, lead post side extensions are secured to the central lead post with heat insulating material therebetween. The central lead post leading edge which extends forwardly of the side extensions is adapted to be completely received within a mating female recess when the door is closed so that the only heat transfer through the lead post assembly from a fire on one side of the door is from the side extension on that side of the door, to the central lead post, to the side extension on the other side. In addition, where biparting doors are used and latching of the doors is desired, a temperature sensitive latch is provided to mechanically latch the doors together upon the fire side of the door reaching a predetermined temperature. The latch includes at least one latching element biased to locking position and normally held in unlocked position. The latching element is released from its unlocked position upon sensing of the predetermined temperature. The temperature may be conveniently sensed by the melting of a material of the predetermined temperature which, upon melting, releases the latching element.
    • 为了减少从折叠防火门引线柱组件的一侧到另一侧的热传递,引线柱组件包括形成组件前缘的中心引导柱。 在本发明的一个实施例中,当处于闭合状态时,翼片从中心引导柱的侧面延伸,并且用于门的接收凹槽适于容纳中心引导柱和翼板的相邻部分,使得不会部分 当门处于关闭状态时,中央导柱位于门的两侧的房间。 热传递是从一个翼板到中央引导柱到另一个翼板,而不是直接从火到中心引导柱。 在本发明的第二实施例中,引线柱侧延伸部用绝热材料固定在中心引线柱上。 当门关闭时,向前延伸的中心引导柱前缘适于完全容纳在配合的凹槽内,使得从门的一侧上的火中仅通过引导柱组件的热传递是 从门的那一侧的侧面延伸到中央引导柱,到另一侧的侧向延伸。 此外,在使用双门并且需要门锁定的情况下,提供温度敏感的闩锁以在门的防火侧达到预定温度时将门机械地闩锁在一起。 闩锁包括被偏压到锁定位置并且通常保持在解锁位置的至少一个闩锁元件。 在检测到预定温度时,闩锁元件从其解锁位置释放。 可以通过熔化预定温度的材料的熔化来方便地感测温度,熔化后的材料释放闭锁元件。