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    • 4. 发明授权
    • Adjustable threshold and door sill
    • 可调阈值和门槛
    • US5083400A
    • 1992-01-28
    • US605779
    • 1990-10-29
    • Howard Bowman
    • Howard Bowman
    • E06B7/20E06B7/215
    • E06B7/20E06B7/215
    • A new door threshold/weatherstripping device is disclosed that uses rollers, installed either in a door to contact a threshold surface, or in the threshold to contact the door. The rollers are supported by bearings that permit the rollers to turn freely as the door is opened or closed. The bearings are mounted in housings that have adjustable, spring loaded pistons. These pistons permit the spacing of rollers with respect to the threshold (or door) to be adjusted to ensure a tight seal. In the embodiment that utilizes a threshold mounted roller, a gripper pad is used to prevent the roller from turning when a person steps on it. This prevent possible slipping injuries. Both embodiments have brushes mounded adjacent to the rollers to clean them of dirt, snow and water.
    • 公开了一种新的门阈/防风雨条纹装置,其使用安装在门中的辊来接触阈值表面,或者门限接触门。 滚子由轴承支撑,允许滚轮在门打开或关闭时自由转动。 轴承安装在具有可调节弹簧加载活塞的外壳中。 这些活塞允许辊子相对于门槛(或门)的间距进行调节,以确保密封。 在利用阈值安装辊的实施例中,当人们踏上辊时,使用夹持垫来防止辊转动。 这可以防止可能的滑倒伤。 两个实施例都具有与滚子相邻的刷子,以清洁它们的污垢,雪和水。