Invention Grant
- Patent Title: Push-to-open/signal-to-open appliance door latching system with an integrated locking device
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Application No.: US16248043Application Date: 2019-01-15
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Publication No.: US11236911B2Publication Date: 2022-02-01
- Inventor: Roger L. DeYoung
- Applicant: HTI Technology and Industries, Inc.
- Applicant Address: US TN La Vergne
- Assignee: HTI Technology and Industries, Inc.
- Current Assignee: HTI Technology and Industries, Inc.
- Current Assignee Address: US TN La Vergne
- Agency: Emerson, Thomson & Bennett, LLC
- Agent Roger D. Emerson
- Main IPC: F24C15/02
- IPC: F24C15/02 ; E05C19/02 ; E05B47/06 ; E05B47/02 ; E05B63/00

Abstract:
Provided is a push-to-open latch for an oven appliance and other household appliances. The push-to-open latch includes an integrated locking device for locking an appliance door in place and initiate a downstream appliance function such as a self-cleaning function. The integrated locking device includes a rotating cam having a latching slot which engages a pawl. The rotating cam also includes a guiding ramp and a catch surface which may be used to engage a latching finger to lock the cam in place. In addition, the locking device may include a locking slide and a locking slide pin that is actuated by a solenoid to engage the cam. Once the appliance door is locked, one or more switches send a signal to the appliance controller to activate the downstream function.
Public/Granted literature
- US20190219269A1 Push-to-Open/Signal-to-Open Appliance Door Latching System with an Integrated Locking Device Public/Granted day:2019-07-18
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