Door latch for power tong
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United States of America Patent
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-
Dec 5, 2017
Issued Date -
N/A
app pub date -
Jul 28, 2015
filing date -
Jul 28, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A latch mechanism for securing a pivoting door of a power tong in a closed position across a lateral opening to an interior bay of the power tong includes a door cylinder coupled at a proximal end to the body and having an extendable rod to pivot the door between a closed position, across the lateral opening, and an open position providing lateral access to the interior bay, the power tong further includes a latch cylinder coupled at a proximal end to the door and having an extendable rod to pivot a latch member to pivot between an engaged position, to engage a latch post on the body, and a retracted position to disengage the latch post of the body.
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