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    • 42. 发明授权
    • Gate latch
    • 门闸
    • US5655801A
    • 1997-08-12
    • US531421
    • 1995-09-21
    • Michael Casey
    • Michael Casey
    • E05B65/00E05C3/24E05C3/16
    • E05B65/0007E05C3/24Y10T292/107Y10T292/1092Y10T292/85
    • A gate latch has a handle with a cojoined adjustably sized elongated rigid metal rod, which rod is rotatably disposed in sleeves frictionally retained within a drilled hole in a fixed post of a fence. The rod is formed with a plurality of spaced parallel threaded through holes. The handle has a transverse hole and is mounted to the rod by a bolt passing through the handle hole and one of the rod holes disposed at the end of the rod on the outside of the post. The rod is operably connected to a spring return locking plate for locking a gate rod which gate rod is fixedly mounted to an openable gate. The user first drills the post hole to receive the elongated rod slidably disposed in the sleeves, and then cuts the elongated rod to a length to accommodate the thickness of the post, and then attaches the handle at the hole adjacent the cut end of the elongated rod. The user in operating the gate latch rotates the handle downwardly which in turn rotates the elongated rod in the post hole. This rotation extends the spring and rotates the locking plate to unlock the gate rod. The user then pushes the gate open to free the gate rod, and finally releases the handle. When the gate is being closed, the gate rod slides on a cam surface on the locking plate and then snaps, by the spring action, into the locked position. The gate cannot be unlocked unless the handle is downwardly rotated.
    • 门闩具有带有可调节尺寸的可调节的细长刚性金属杆的把手,该杆可旋转地设置在摩擦力保持在围栏的固定柱中的钻孔内的套筒中。 杆形成有多个间隔开的平行的通孔。 手柄具有横向孔,并且通过穿过手柄孔的螺栓和位于柱的外侧的棒的端部处的杆孔中的一个安装到杆上。 杆可操作地连接到弹簧复位锁定板,用于锁定门杆,门杆固定地安装到可打开的门。 使用者首先钻孔孔以容纳可滑动地设置在套筒中的细长杆,然后将细长杆切割成长度以适应柱的厚度,然后将手柄附接在与细长的切割端相邻的孔处 竿。 操作门闩的使用者将手柄向下旋转,这又使得柱孔中的细长杆旋转。 该旋转延伸弹簧并旋转锁定板以解锁门杆。 然后用户将门打开以释放门杆,最后释放手柄。 当门关闭时,门杆在锁定板上的凸轮表面上滑动,然后通过弹簧动作卡入锁定位置。 除非手柄向下旋转,否则门不能解锁。