Burglar chain alarm
First Claim
Patent Images
1. An alarm and latch apparatus for a closure panel mounted within an opening perimeter of a building opening, comprising:
- a closure panel link member having a link member first end mounted to said closure panel and a link member second end including a slot engaging slide;
and a latch box mounted to said opening perimeter and having a latch box outer wall, said latch box outer wall having a slide slot with a slot end opening for receiving a portion of said slide such that said slide protrudes simultaneously both inside and outside said latch box and is removable from said slide slot through said slot end opening to permit said slide and said closure panel link member to separate from said latch box thereby freeing said closure panel to move relative to the opening perimeter to open the building opening, said latch box containing an alarm circuit including means for alarm activation upon movement of said slide along said slide slot.
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Abstract
An alarm and latch apparatus for a closure panel mounted within an opening perimeter of a building opening includes a closure panel link member having a link member first end mounted to the closure panel and a link member second end including a slot engaging slide; and a latch box having a slide slot with a slot end opening for receiving a portion of the slide, the latch box being mounted to the opening perimeter and containing an alarm circuit including a mechanism for alarm activation upon movement of the slide along the slide slot.
15 Citations
19 Claims
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1. An alarm and latch apparatus for a closure panel mounted within an opening perimeter of a building opening, comprising:
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a closure panel link member having a link member first end mounted to said closure panel and a link member second end including a slot engaging slide; and a latch box mounted to said opening perimeter and having a latch box outer wall, said latch box outer wall having a slide slot with a slot end opening for receiving a portion of said slide such that said slide protrudes simultaneously both inside and outside said latch box and is removable from said slide slot through said slot end opening to permit said slide and said closure panel link member to separate from said latch box thereby freeing said closure panel to move relative to the opening perimeter to open the building opening, said latch box containing an alarm circuit including means for alarm activation upon movement of said slide along said slide slot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An alarm and latch apparatus for a closure panel mounted within an opening perimeter of a building opening, comprising:
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a closure panel link member having a link member first end mounted to said closure panel and a link member second end including a slot engaging slide; and a latch box having a slide slot with a slot end opening for receiving a portion of said slide, said latch box being mounted to said opening perimeter and containing an alarm circuit including means for alarm activation upon movement of said slide along said slide slot, wherein said latch box comprises a housing including a building wall engaging fastening panel and an opposing and outwardly directed slot panel including said slide slot, and a perimeter panel interconnecting said wall fastening panel and said slot panel. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. An alarm and latch apparatus for a closure panel mounted within an opening perimeter of a building opening, comprising:
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a closure panel link member having a link member first end mounted to said closure panel and a link member second end including a slot engaging slide, and a latch box having a slide slot with a slot end opening for receiving a portion of said slide, said latch box being mounted to said opening perimeter and containing an alarm circuit including means for alarm activation upon movement of said slide along said slide slot, wherein said link member is a solid stem connected to a line and pulley.
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Specification