MULTI-POINT LOCKING SYSTEM
First Claim
Patent Images
1. A fenestration system comprising:
- a door frame including a lock jamb;
a strike assembly including a first strike and a second strike secured to the lock jamb;
a sliding panel received in the door frame, the sliding panel including a lock stile;
a lock assembly secured to the lock stile, the lock assembly including;
a housing;
a first catch pivotally secured to the housing;
a second catch pivotally secured to the housing, the first and second catches being transitionable between a first, open position and a second, closed position;
a cam gear positioned generally between the first and second catches, the cam gear pivotally secured to the housing, the cam gear including a gear portion having a plurality of teeth and a cam portion defining a cam surface positioned to engage the first catch;
a reversal gear positioned generally between the first and second catches, the reversal gear pivotally secured to the housing and being rotatable between a first, locked position in which the first and second catches are prevented from transitioning from the second, closed position, to the first, open position and a second, unlocked position in which the first and second catches are able to transition from the second, closed position to the first, open position, the reversal gear having a gear portion including a plurality of teeth positioned to engage with the gear portion of the cam gear;
a lock spring engaging the first and second catches to bias the first and second catches toward the first, open position;
a lock cam positioned generally between the first and second catches, the lock cam including a cam surface positioned to engage with the second catch; and
a link pivotally secured to the reversal gear and the lock cam, such that the reversal gear is prevented from being transitioned to the locked position when the first and second catches are in the open position by the cam surface of the cam gear engaging the first catch and the cam surface of the lock cam engaging the second catch.
1 Assignment
0 Petitions
Accused Products
Abstract
Fenestration systems and associated methods include use of a lock assembly having a housing, a cam gear, a reversal gear, and one or more catches. Various aspects relate to enhanced locking/security, including repeatability and overall efficacy.
15 Citations
20 Claims
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1. A fenestration system comprising:
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a door frame including a lock jamb; a strike assembly including a first strike and a second strike secured to the lock jamb; a sliding panel received in the door frame, the sliding panel including a lock stile; a lock assembly secured to the lock stile, the lock assembly including; a housing; a first catch pivotally secured to the housing; a second catch pivotally secured to the housing, the first and second catches being transitionable between a first, open position and a second, closed position; a cam gear positioned generally between the first and second catches, the cam gear pivotally secured to the housing, the cam gear including a gear portion having a plurality of teeth and a cam portion defining a cam surface positioned to engage the first catch; a reversal gear positioned generally between the first and second catches, the reversal gear pivotally secured to the housing and being rotatable between a first, locked position in which the first and second catches are prevented from transitioning from the second, closed position, to the first, open position and a second, unlocked position in which the first and second catches are able to transition from the second, closed position to the first, open position, the reversal gear having a gear portion including a plurality of teeth positioned to engage with the gear portion of the cam gear; a lock spring engaging the first and second catches to bias the first and second catches toward the first, open position; a lock cam positioned generally between the first and second catches, the lock cam including a cam surface positioned to engage with the second catch; and a link pivotally secured to the reversal gear and the lock cam, such that the reversal gear is prevented from being transitioned to the locked position when the first and second catches are in the open position by the cam surface of the cam gear engaging the first catch and the cam surface of the lock cam engaging the second catch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A fenestration system comprising:
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a door frame including a lock jamb; a strike assembly secured to the lock jamb; a sliding panel received in the door frame, the sliding panel including a lock stile; a lock assembly secured to the lock stile, the lock assembly including; a housing; a cam gear pivotally secured to the housing and defining a receiving pocket and a gear portion having a plurality of teeth, the cam gear defining a cam surface; a reversal gear pivotally secured to the housing and including a gear portion including a plurality of teeth positioned to engage with the gear portion of the cam gear; a lock cam pivotally secured to the housing and including a cam portion and a link portion and defining a cam surface; a first catch pivotally secured to the housing and configured to interact with the cam gear; a second catch pivotally secured to the housing and configured to interact with the lock cam; and a link pivotally secured to the reversal gear and the lock cam, such that the reversal gear is prevented from being transitioned to the locked position when the first and second catches are in the open position by the cam surface of the cam gear engaging the first catch and the cam surface of the lock cam engaging the second catch. - View Dependent Claims (16, 17, 18)
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19. A fenestration system comprising:
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a door frame including a lock jamb; a strike assembly secured to the lock jamb; a sliding panel received in the door frame, the sliding panel including a lock stile; a lock assembly secured to the lock stile, the lock assembly including; a housing; a cam gear pivotally secured to the housing and defining a receiving pocket and a gear portion having a plurality of teeth; a reversal gear pivotally secured to the housing and including an arm portion slidably coupled to the housing and a gear portion including a plurality of teeth positioned to engage with the gear portion of the cam gear; and a catch pivotally secured to the housing and configured to interact with the cam gear. - View Dependent Claims (20)
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Specification