Notification appliance enclosure

• US 8,797,724 B2
• Filed: 09/11/2012
• Issued: 08/05/2014
• Est. Priority Date: 09/11/2012
• Status: Active Grant

• Current Assignee: Tyco Fire & Security GmbH (Johnson Controls International plc)
• Original Assignee: Tyco Fire & Security GmbH (Johnson Controls International plc)
• Inventors: Andrews, Alexander S., Russell, Erick, Roberts, James T.
• Primary Examiner(s): HAUGHTON, ANTHONY MICHAEL
• Application Number:
  US13/610,801
• Publication Number:
  US 20140070678A1
• Time in Patent Office: 693 Days
• Field of Search: 361/679.01, 361/679.55, 361/679.56, 361/679.57, 361/679.58, 361/679.59, 73/10.6, 734/31, 455/404.1, 340/628, 340/540, 340/577, 312/223.1, 312/223.2
• US Class Current: 361/679.01
• CPC Class Codes: G08B 3/10 using electric transmission; using electromagnetic transmission

Abstract

A notification appliance enclosure that facilitates convenient attachment and removal of a housing. The enclosure may include a mounting plate having a catch lip and a retaining wedge projecting from a surface thereof. The catch lip and the retaining wedge may be spaced apart to define a retaining pocket therebetween, and the catch lip may have a latch release aperture formed therethrough. A housing may fit over the mounting plate and may have a latch tongue extending from a surface thereof fits within the retaining pocket. A release latch may extend from a surface of latch tongue and may fit within the latch release aperture. The engagement between the release latch and the latch release aperture prevents the housing from being pulled away from the mounting plate. The retaining wedge resists movement of the latch tongue and thereby resists disengagement of the release latch from the latch release aperture.

Claims

1. A notification appliance enclosure comprising:

a mounting plate having a catch lip and a retaining wedge projecting from a surface thereof, the catch lip and the retaining wedge spaced apart to define a retaining pocket therebetween, the catch lip having a latch release aperture formed therethrough; and

a housing adapted to fit at least partially over the mounting plate, the housing having a latch tongue extending from a surface thereof, the latch tongue configured to be received within the retaining pocket when the housing and the mounting plate are connected to one another, the latch tongue having a release latch extending from a surface thereof wherein the release latch is configured to be received within the latch release aperture of the mounting plate when the housing and the mounting plate are connected to one another;

wherein the retaining wedge is adapted to receive the latch tongue to resist lateral movement of the latch tongue and to resist disengagement of the release latch from the latch release aperture when the housing and the mounting plate are connected to one another.

2. The notification appliance in accordance with claim 1, further comprising a retaining catch extending from a surface of the catch lip and a corresponding retaining latch extending from a surface of the latch tongue, wherein the retaining catch and the retaining latch are configured to engage one another and resist relative movement of the housing and the mounting plate when the housing and the mounting plate are connected to one another.

3. The notification appliance in accordance with claim 1, wherein latch tongue abuts the catch lip when the housing and the mounting plate are connected to one another.

4. The notification appliance in accordance with claim 1, wherein the housing is adapted to be pivotably attached to the mounting plate at an end opposite the catch lip and latch tongue.

5. The notification appliance in accordance with claim 1, wherein the release latch includes an angled lower surface for facilitating snap insertion of the release latch release aperture of the catch lip.

6. The notification appliance in accordance with claim 1, wherein the retaining wedge comprises first and second retaining wedges disposed on opposite lateral sides of the catch lip to create first and second retaining pockets therebetween.

7. The notification appliance in accordance with claim 1, wherein the release latch is actuable via the latch release aperture from an outer surface of the housing.

8. The notification appliance in accordance with claim 1, wherein the release latch is resiliently deformable to enable repeated engagement and disengagement with the mounting plate.

9. The notification appliance in accordance with claim 1, wherein the latch tongue is resiliently deformable to enable repeated engagement and disengagement with the retaining wedge.

10. A notification appliance enclosure assembly comprising:

a mounting plate having a catch lip and a first and second retaining wedges projecting from a surface thereof, the catch lip and the first and second retaining wedges are spaced apart to define a retaining pocket therebetween, the catch lip having a latch release aperture formed therethrough; and

a housing adapted that fits at least partially over the mounting plate, the housing having a latch tongue configured to be received within the retaining pocket, the latch tongue having a release latch extending from a surface thereof, wherein the release latch is configured to be received within the latch release aperture of the mounting plate;

wherein when the mounting plate and housing are coupled together, the first and second retaining wedges resists movement of the latch tongue and resists disengagement of the release latch from the latch release aperture.

11. The notification appliance in accordance with claim 10, further comprising a retaining catch extending from a surface of the catch lip and a corresponding retaining latch extending from a surface of the latch tongue, wherein the retaining catch and the retaining latch engage one another to resist relative movement of the housing and the mounting plate.

12. The notification appliance in accordance with claim 10, wherein latch tongue abuts the catch lip.

13. The notification appliance in accordance with claim 10, wherein the housing is pivotably attached to the mounting plate at an end opposite the catch lip and latch tongue.

14. The notification appliance in accordance with claim 10, wherein the release latch includes an angled lower surface for facilitating snap insertion of the release latch release aperture of the catch lip.

15. The notification appliance in accordance with claim 10, wherein the first and second retaining wedges are disposed on opposite lateral sides of the catch lip to create first and second retaining pockets therebetween.

16. The notification appliance in accordance with claim 10, wherein the release latch is disengeable with the housing using a tool inserted through the latch release aperture from an outer surface of the housing.

17. The notification appliance in accordance with claim 10, wherein the release latch is resiliently deformable to enable the release latch to be resiliently engageable with the mounting plate.

18. The notification appliance in accordance with claim 11, wherein the latch tongue is deformable to enable firm engagement with the first and second retaining wedges.