VISUAL ASSEMBLY AID FOR SPRINKLER AND METHOD FOR USE
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
May 30, 2013
filing date -
May 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A fire protection sprinkler includes a body having an input end and an output end, the body having an output orifice at the output end. The sprinkler includes a frame extending from the body in the output direction and a deflector supported by the frame positioned opposite the output orifice. Also, the sprinkler includes a seal assembly which seals the output orifice. The seal assembly has a first side and a second side, the first side bearing identifying indicia associated with the orientation of the seal assembly. When the first side is oriented in the input direction, a portion of the indicia is visible from the input end, to indicate a correct assembly. However, when the first side is oriented in the output direction, none of the indicia is visible from the input end, indicating incorrect assembly. The identifying indicia can take the form of one or more of the following: a color, a character, a symbol, and a mark. The seal assembly can include a cap and an annular spring washer, such as a Belleville spring washer, used to provide a pressure seal.
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