TELESCOPIC CHAIN TYPE PET CAGE DOOR
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 24, 2016
filing date -
Aug 24, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A telescopic chain type pet cage door includes a spring case, a rotary type lifting handle, a telescopic door composed of a chain plate and a crossbar, and guide rails; the guide rails are configured longitudinally; when the telescopic chain type pet cage door is closed, the chain plate and the crossbar are unfolded, and the lifting handle is hooked and locked by a drag hook of the spring case; when the telescopic chain type pet cage door needs to be opened, the lifting handle rotates to be separated from the drag hook of the spring case to upwards drive the chain plate and the crossbar to move upwards and to be shrunk in the guide rails.
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