US2006132004A1PendingUtilityA1

Fire alarm pull station enclosure

33
Individually held — no corporate assignee on recordPriority: Dec 21, 2004Filed: Dec 21, 2004Published: Jun 22, 2006
Est. expiryDec 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Steven Doughty
G08B 25/12
33
PatentIndex Score
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Cited by
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References
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Claims

Abstract

The invention relates to a fire alarm pull station enclosure. The enclosure includes a frame configured to enclose a pull lever. The frame has side walls, which define an open front and back. The frame has support means adjacent the open front for supporting a tempered glass pane between the side walls and over the open front. The tempered glass pane has a groove formed thereon. In an embodiment of the invention, the frame is rectangular and has an open bottom end and a cap secured to the top end. The invention also relates to the use of a grooved tempered glass pane as a front for a fire alarm pull station enclosure.

Claims

exact text as granted — not AI-modified
1 . A fire alarm pull station enclosure comprising: 
 a frame configured to enclose a pull lever, the frame having side walls defining an open front;    a tempered glass pane having a groove formed thereon;    the frame having supports adjacent the open front for supporting the tempered glass pane between the side walls and over the open front.    
   
   
       2 . A fire alarm pull station enclosure as claimed in  claim 1 , wherein the tempered glass pane has opposite side edges and bottom corners and each of the supports comprises an inwardly facing vertical slot on one of the side walls adjacent the open front for receiving and laterally supporting a side edge and a detent at the bottom of each slot for engaging and vertically supporting a bottom corner.  
   
   
       3 . A fire alarm pull station enclosure as claimed in  claim 2  in which each of the side walls has an inwardly facing front flange defining sides of the open front, and an inwardly facing rib formed on each of the side walls defining with the front flange one of the vertical slots.  
   
   
       4 . A fire alarm pull station enclosure as claimed in  claim 3  in which each of the detents comprises an inwardly projecting stud attached to the side wall and extending into the slot to engage a bottom corner of the tempered glass pane.  
   
   
       5 . A fire alarm pull station enclosure as claimed in  claim 3  in which the inwardly facing rib is a flange formed on an elongated metal strip attached to the side wall.  
   
   
       6 . A fire alarm pull station enclosure as claimed in  claim 5  in which the flange is bent rearwardly to define an angle of about  45  degrees to the side wall.  
   
   
       7 . A fire alarm pull station enclosure as claimed in  claim 2 , wherein the frame is formed of metal.  
   
   
       8 . A fire alarm pull station enclosure as claimed in  claim 2 , wherein the frame has an open bottom and back.  
   
   
       9 . A fire alarm pull station enclosure as claimed in  claim 8 , further comprising a removable cap mounted on the side walls.  
   
   
       10 . A fire alarm pull station enclosure as claimed in  claim 9  in which the removable cap is secured to the frame by screws.  
   
   
       11 . A fire alarm pull station enclosure as claimed in  claim 1 , additionally comprising a striker and an elongated tether for attaching the striker to the frame.  
   
   
       12 . A fire alarm pull station enclosure as claimed in  claim 11 , wherein the tether is a cable.  
   
   
       13 . A fire alarm pull station enclosure as claimed in  claim 11 , wherein the striker also functions as a secondary lever for actuation of a pull lever of the fire alarm pull station.  
   
   
       14 . A fire alarm pull station enclosure as claimed in  claim 8 , further comprising means for attaching the frame to a mounting surface.  
   
   
       15 . A fire alarm pull station enclosure as claimed in  claim 14  in which the means for attaching the frame to a mounting surface comprises upper and lower metal strips connecting the side walls adjacent the back of the side walls and defining with the side walls the open back, said metal strips having a plurality of apertures therein for receiving screws.  
   
   
       16 . A fire alarm pull station as claimed in  claim 1 , wherein the tempered glass pane has a plurality of grooves formed thereon.  
   
   
       17 . A fire alarm pull station as claimed in  claim 7 , wherein the frame is substantially rectangular in shape.  
   
   
       18 . A fire alarm pull station as claimed in  claim 8 , wherein the groove is vertically disposed on the pane of glass.  
   
   
       19 . A fire alarm pull station enclosure as claimed in  claim 1 , wherein the groove penetrates up to about half the thickness of the tempered glass pane.  
   
   
       20 . A fire alarm pull station enclosure as claimed in  claim 8 , wherein the groove penetrates up to about half the thickness of the tempered glass pane.  
   
   
       21 . A fire alarm pull station enclosure as claimed in  claim 18 , wherein the groove penetrates up to about half the thickness of the tempered glass pane.  
   
   
       22 . A fire alarm pull station enclosure as claimed in  claim 20 , wherein the tempered glass pane has a thickness of between about ⅛ of an inch and about 3/16 of an inch and the groove penetrates to a depth of between about 1/16 of an inch and about 3/32 of an inch.  
   
   
       23 . A fire alarm pull station enclosure as claimed in  claim 19 , wherein the groove has an angle of between about 30 degrees and 60 degrees relative to the surface of the tempered glass pane on which it is formed.  
   
   
       24 . A fire alarm pull station enclosure as claimed in  claim 20 , wherein the groove has an angle of between about 30 degrees and 60 degrees relative to the surface of the tempered glass pane on which it is formed.  
   
   
       25 . A fire alarm pull station enclosure as claimed in  claim 21 , wherein the groove has an angle of between about 30 degrees and 60 degrees relative to the surface of the tempered glass pane on which it is formed.  
   
   
       26 . A fire alarm pull station enclosure as claimed in  claim 19 , wherein the groove has an angle of between about 40 degrees and 50 degrees relative to the surface of the tempered glass pane on which it is formed.  
   
   
       27 . A fire alarm pull station enclosure as claimed in  claim 19 , wherein the groove has an angle of  45  degrees relative to the surface of the tempered glass pane on which it is formed.  
   
   
       28 . The use of a grooved tempered glass pane as a front for a fire alarm pull station enclosure.

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