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    • 1. 发明授权
    • Trapped key mechanism
    • 被困的关键机制
    • US4109496A
    • 1978-08-29
    • US862558
    • 1977-12-20
    • James G. AllemannMichael W. Grey
    • James G. AllemannMichael W. Grey
    • E05B11/00
    • E05B11/00Y10S70/60Y10T70/7712Y10T70/7768
    • A security type dead bolt for a door is arranged so that a key must be used on the inside, as well as on the outside, to extend the dead bolt to locked position, in that way to prevent an unauthorized person opening the door from the inside after surreptitious entry. To make certain that when the occupant is at home and with the latch bolt extended by the inside key to locked position, there can be no lost key situation blocking exit by the occupant in case of an emergency such as a fire, the dead bolt mechanism is arranged to trap the key in the lock whenever the dead bolt is extended to locked position, but to release the key when withdrawn. A yieldable mechanism permits unlocking the latch bolt from the outside even when a key is left in the lock on the inside.
    • 用于门的安全型止动螺栓布置成使得在内部和外部必须使用钥匙以将死栓延伸到锁定位置,以防止未经授权的人从门打开门 内部偷偷进入。 为了确保当乘客在家中并且闩锁由内侧钥匙延伸到锁定位置时,在诸如火灾的紧急情况下,乘客不会丢失关键情况,阻止出口,死栓机构 被设置为在锁定螺栓延伸到锁定位置时将钥匙锁定在锁中,但是在撤回时释放钥匙。 即使当钥匙留在内侧的锁中时,可屈服机构也允许将闩锁从外部解锁。
    • 4. 发明授权
    • Latch bolt locking mechanism for fire door locksets
    • 锁门螺栓锁定机构
    • US4183565A
    • 1980-01-15
    • US937504
    • 1978-08-28
    • James G. Allemann
    • James G. Allemann
    • E05B65/10E05C1/00E05C13/02
    • E05B65/104Y10S292/66Y10T292/0969Y10T292/1028
    • To lock the head of a latchbolt in extended, or locked position therein to prevent opening of a door in case of fire the latch bolt head is provided with a spring driven locking pin reciprocatably mounted in a transverse direction. In the extended locked position of the latch bolt head the locking pin is in alignment with but withdrawn clear of a hole in the latch bolt case. At the inside end of the locking pin is a groove and a fusible pin normally engages the groove holding the locking pin in withdrawn position. This permits normal latch bolt action. When the fusible pin melts because of heat from a fire the locking pin is released and driven by spring action into the hole in the latch bolt case to physically bar withdrawal of the latch bolt, and consequent opening of the door.
    • 为了将闩锁的头部锁定在其中的延伸或锁定位置,以防止在发生火灾时打开门,闩锁螺栓头设置有沿横向可往复运动地安装的弹簧驱动的锁定销。 在闩锁螺栓头的延伸的锁定位置中,锁定销与闩锁螺栓壳体中的孔对齐,但是没有孔。 在锁定销的内端是凹槽,并且可熔销通常接合保持锁定销的退出位置的槽。 这允许正常的闩锁动作。 当熔丝由于来自火的热量而熔化时,锁定销通过弹簧作用被释放并被锁定在闩锁螺栓壳体中的孔中,以物理地拉动闩锁螺栓,从而打开门。
    • 5. 发明授权
    • Sectional entrance handle retract mechanism
    • 截面入口手柄缩回机构
    • US4123097A
    • 1978-10-31
    • US802043
    • 1977-05-31
    • James G. Allemann
    • James G. Allemann
    • E05C1/14
    • E05C1/14Y10T292/0974Y10T292/57
    • For translating the linear motion of a pivotally mounted thumb piece for a front door latch into the rotary motion needed to withdraw a latch bolt, two rotary members are employed. One is a bell crank having a pivotal mounting on the mounting plate at one side of and at right angles to the pivotal mounting of the thumb plate and rotationally responsive to linear motion of the thumb piece. The other is a drum having a rotatable mounting on the mounting plate parallel to and spaced from the bell crank pivotal mounting, and at a location adjacent a roll back of a latch bolt. A resilient connector strip from the bell crank to the drum causes the drum to be rotated in response to rotation of the bell crank. A torsion return spring attached to the drum acts to return the drum and the bell crank to their original positions.
    • 为了将用于前门闩锁的枢转安装的拇指片的直线运动转换为撤回闩锁螺栓所需的旋转运动,采用了两个旋转构件。 一个是在曲柄的枢转安装的一侧并且与拇指板的枢转安装成直角的在安装板上枢转安装的钟形曲柄,并且可旋转地响应于拇指片的线性运动。 另一个是在安装板上平行并与钟形曲柄枢转安装件间隔开的可旋转安装件,以及与闩锁螺栓的回卷相邻的位置处的滚筒。 从钟形曲柄到鼓的弹性连接器条使得鼓响应于钟形曲柄的旋转而旋转。 附接到鼓的扭转复位弹簧用于将鼓和钟形曲柄返回到其原始位置。
    • 8. 发明授权
    • Simultaneous retract mechanism
    • 同时退回机构
    • US4109494A
    • 1978-08-29
    • US802042
    • 1977-05-31
    • James G. Allemann
    • James G. Allemann
    • E05B53/00E05B59/00E05B59/04
    • E05B53/003E05B59/00Y10T292/0841Y10T70/5226
    • The invention involves a mechanism for simultaneously retracting two separate latch bolts which have previously been extended by their individual separate mechanisms. The individual mechanisms comprise a substantially conventional knob actuated latch bolt, and what is commonly called a locking dead bolt. There is a lever arm attached to the knob spindle and a bell crank arm on a thumb turn shaft of the dead bolt. A flexible strip anchored at one end to the free end of the lever arm projects slidably through a swivelling sleeve on the free end of the bell crank. By providing a stop at the extremity of the strip by rotation of the knob spindle and its lever arm the bell crank is induced to rotate and withdraw the dead bolt to unlocked position, at the same time that the latch bolt is withdrawn to open the door. Conversely, when the dead bolt only is withdrawn, by rotation of the thumb turn shaft merely to unlock the door, the strip will slide through the swivelling sleeve. The lever arm of the knob spindle remains undisturbed and the latch bolt, therefore, remains in extended position, holding the door closed until withdrawn by knob action.
    • 本发明涉及一种用于同时缩回两个单独的闩锁螺栓的机构,其先前已经通过其各自的单独的机构来延伸。 各个机构包括基本上常规的旋钮驱动的闩锁螺栓,以及通常称为锁定止动螺栓。 杠杆臂连接在旋钮主轴上,一个曲柄臂位于死栓的拇指转动轴上。 一端固定在杠杆臂的自由端的柔性条可滑动地突出在曲柄的自由端上的旋转套筒上。 通过旋转旋钮主轴及其杠杆臂,通过旋转旋转主轴和杠杆臂来提供止挡位置,使钟形曲柄转动并将止动螺栓撤回至解锁位置,同时将闩锁螺栓拉出以打开门 。 相反地​​,只有当撤销螺栓时,通过旋转拇指转动轴才能解锁门,条带将滑过旋转套筒。 旋钮主轴的杠杆臂保持不受干扰,因此闩锁螺栓保持在延伸位置,将门关闭,直到由旋钮动作撤回。