Automatic sliding door closing device
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United States of America Patent
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N/A
Issued Date -
Oct 23, 2008
app pub date -
Apr 17, 2008
filing date -
Apr 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An automatic closing device for returning a sliding section of a sliding door assembly to a closed position without application of an external force. The automatic closing device has a controlled return mechanism that has an adjustable mass assembly and a spring. The controlled return mechanism generates a force that returns the sliding section to its closed position after the sliding section is opened. The controlled return mechanism has a connector having a first end and a second end. The first end of the connector is attached to a fixed position on the sliding door assembly and the second end of the connector is attached to a top end of the controlled return mechanism. The controlled return mechanism has a pulley assembly having a plurality of pulleys that guides the connector from the top end of the controlled return mechanism to the fixed position on the sliding door assembly.
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