US 12,624,575 B2Granted

Multi-point exit device

AssigneeSchlage Lock Company LLC

InventorsSushanth Anand Rao Kondi, Mohammed Maksood Ali, Kemparaju Putaswamy, Michael D. Coleman, Matthew S. Graham

Life of this patent

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Abstract

A center slide assembly for a multi-point exit device. Upper and lower spool assemblies may be displaced from first positions to second positions along an inner region of a center slide. The displacement of the spool assemblies may displace upper and lower pull cables so as to retract latch mechanisms from extended positions to retracted positions. A first latching pin may be displaced, along with the displacement of the upper spool assembly, along an abutment surface of a tilting link so as to pivotally displace the tilting link from an unlocked position to a locked position. Displacement of the lower spool assembly may displace a second latching pin to a position wherein the second latching pin may be received and retained within a jog of the tilting link when the tilting link is in the locked position, which may thereby retain the associated latch mechanism in the retracted position.

Claims14

Dependent claims

A system, comprising:

a first spool assembly adapted to be coupled to a first latch device such that actuation of the first spool assembly causes a corresponding actuation of the first latch device, the first spool assembly having a first actuated state and a first deactuated state;
a second spool assembly adapted to be coupled to a second latch device such that actuation of the second spool assembly causes a corresponding actuation of the second latch device, the second spool assembly having a second actuated state and a second deactuated state;
and
a link engaged with the first spool assembly and the second spool assembly, the link having a holding position and a releasing position;
wherein when the link is in the holding position, the link retains the second spool assembly in the second actuated state;
wherein when the link is in the releasing position, the link permits the second spool assembly to transition from the second actuated state to the second deactuated state;
and
wherein the first spool assembly is configured to transition the link from the holding position to the releasing position as the first spool assembly transitions from the first actuated state to the first deactuated state.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/118,515Filed 7 Mar 2023 · continuation
Priority: 3 Jul 2014
Published: US 2024/0076907 A17 Mar 2024
Granted: 12 May 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

E05B 53/003
Operation or control of locks by mechanical transmissions, e.g. from a distance: flexible
E05B 63/185
With arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position: preventing actuation of a bolt…
E05B 65/1006
For panic or emergency doors: of the vertical rod type
E05B 65/1046
For panic or emergency doors: panic bars

Family

Application62/020,785Us provisional application · filed 3 Jul 2014
Application14/791,798Parent of this continuation · filed 6 Jul 2015
Application16/279,589Parent of this continuation · filed 19 Feb 2019
US 10,208,507 B2Parent of this continuation · filed 19 Feb 2019
US 2024/0076907 A1Pre-grant publication · published 7 Mar 2024
US 11,598,123 B2Parent of this continuation
US 2016/0002963 A1Published application
US 2019/0316383 A1Published application
US 12,624,575 B2This patent

From the US filing history. Foreign family members aren’t listed.