Abstract: An automatic fire protection sprinkler includes a sprinkler body having a passage with an inlet end and a discharge opening. A pair of sprinkler arms extend from the sprinkler body. The pair of sprinkler arms each include a radially inwardly extending leg including a threaded bore for receiving a compression screw. The pair of sprinkler arms each include a radially outwardly extending leg each defining an aperture therein. An outlet closure assembly includes a closure element that selectively blocks the discharge opening of the sprinkler body and a trigger assembly including a yoke that engages the compression screws and a glass bulb that extends between the yoke and the closure element. A deflector is coupled to the sprinkler arms by a pair of support pins that are received in the apertures in the radially outwardly extending legs of the at least two sprinkler arms.

Abstract: A sprinkler assembly for use in an attic or under a sloped roof or ceiling and includes a body having an inlet opening and a discharge opening. A support extends from the body and a closure device is releasably positioned at the discharge opening to close the passageway. A heat responsive trigger releasably retains the closure device at the discharge opening of the body. A flow shaper is supported by the support and includes a transverse wall portion intersecting a central axis of the discharge opening. A pair of laterally spaced side walls each extend from the transverse wall portion toward the body and a pair of mounting base portions extend from the pair of side walls and connect the flow shaper to the support. The flow shaper provides a simple and inexpensive design for providing adequate distribution of fire suppressant both laterally and directly beneath the sprinkler.

Abstract: An automatic fire protection sprinkler includes a sprinkler body having a passage with an inlet end and a discharge opening. A pair of sprinkler arms extend from the sprinkler body. The pair of sprinkler arms each include a radially inwardly extending leg including a threaded bore for receiving a compression screw. The pair of sprinkler arms each include a radially outwardly extending leg each defining an aperture therein. An outlet closure assembly includes a closure element that selectively blocks the discharge opening of the sprinkler body and a trigger assembly including a yoke that engages the compression screws and a glass bulb that extends between the yoke and the closure element. A deflector is coupled to the sprinkler arms by a pair of support pins that are received in the apertures in the radially outwardly extending legs of the at least two sprinkler arms.

Abstract: An automatic fire protection sprinkler includes a sprinkler body having a passage with an inlet end and a discharge opening. A pair of sprinkler arms extend from the sprinkler body. The pair of sprinkler arms each include a radially inwardly extending leg including a threaded bore for receiving a compression screw. The pair of sprinkler arms each include a radially outwardly extending leg each defining an aperture therein. An outlet closure assembly includes a closure element that selectively blocks the discharge opening of the sprinkler body and a trigger assembly including a yoke that engages the compression screws and a glass bulb that extends between the yoke and the closure element. A deflector is coupled to the sprinkler arms by a pair of support pins that are received in the apertures in the radially outwardly extending legs of the at least two sprinkler arms.

Abstract: An automatic fire protection sprinkler includes a sprinkler body having a passage with an inlet end and a discharge opening. A pair of sprinkler arms extend from the sprinkler body. The pair of sprinkler arms each include a radially inwardly extending leg including a threaded bore for receiving a compression screw. The pair of sprinkler arms each include a radially outwardly extending leg each defining an aperture therein. An outlet closure assembly includes a closure element that selectively blocks the discharge opening of the sprinkler body and a trigger assembly including a yoke that engages the compression screws and a glass bulb that extends between the yoke and the closure element. A deflector is coupled to the sprinkler arms by a pair of support pins that are received in the apertures in the radially outwardly extending legs of the at least two sprinkler arms.

Abstract: A sprinkler assembly for use in an attic or under a sloped roof or ceiling and includes a body having an inlet opening and a discharge opening. A support extends from the body and a closure device is releasably positioned at the discharge opening to close the passageway. A heat responsive trigger releasably retains the closure device at the discharge opening of the body. A flow shaper is supported by the support and includes a transverse wall portion intersecting a central axis of the discharge opening. A pair of laterally spaced side walls each extend from the transverse wall portion toward the body and a pair of mounting base portions extend from the pair of side walls and connect the flow shaper to the support. The flow shaper provides a simple and inexpensive design for providing adequate distribution of fire suppressant both laterally and directly beneath the sprinkler.