Blowout latch
AssigneeHartwell Corporation
InventorsFrank T. Jackson, Timothy Scott Rozema
Life of this patent
Estimating the term…
Abstract
A blowout latch is provided to latch a first panel to a second panel. The latch is coupled to the first panel and engaged with the second panel. The latch includes a biasing mechanism which is disengagable under pressure to move the first panel relative to the second panel. The latch may also be selectively disengaged with a lesser force than that required to overcome the biasing mechanism by bypassing the biasing mechanism. When manually disengaged, the latch maintains a biasing load on a bolt of the latch. A trigger of the latch is provided to bypass the biasing mechanism and disengage a roller assembly of the latch from the second panel.
Claims17
A pressure relief latch for latching a first panel to a second panel and provided to release under pressure or by selective disengagement, the latch comprising:
- a housing;
- a roller movable between an engaged position in contact with the second panel and a disengaged position removed from contact with the second panel;
- a shaft coupled to the roller for rotational movement with the roller about an axis along the shaft;
- a handle;
- a handle support coupled to the handle, coupled to the housing, and coupled to the shaft for rotational movement with the shaft;
- a bolt coupled to the shaft and including a channel for receiving at least a portion of the handle support, the handle support being rotatable relative to the bolt;
- a trigger operatively associated with the handle, the trigger including a pin normally engaged with the bolt and the handle support, the trigger being movable to release the pin from engagement with the handle support and the bolt to permit the handle support to move relative to the bolt to rotate the shaft and roller to move the roller to the disengaged position;
- and
- a biasing mechanism normally applying a force to the bolt to prevent the bolt from rotating about the axis, the bolt being configured to disengage the biasing mechanism when internal force on the roller is translated to the bolt through the shaft, handle support, and pin.
Dependencies are inferred from the claim text.