Invention Grant
- Patent Title: Multiple frequency band braking apparatus with clutch
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Application No.: US15227671Application Date: 2016-08-03
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Publication No.: US09610965B2Publication Date: 2017-04-04
- Inventor: Thomas K. Khuu
- Applicant: Carttronics, LLC
- Applicant Address: US CA San Diego
- Assignee: Carttronics, LLC.
- Current Assignee: Carttronics, LLC.
- Current Assignee Address: US CA San Diego
- Agency: Gavrilovich, Dodd & Lindsey LLP
- Agent Charles D. Gavrilovich, Jr.
- Main IPC: B62B5/04
- IPC: B62B5/04 ; B60B33/00 ; F16D65/16 ; F16D63/00 ; F16D121/24
Abstract:
A shopping cart wheel includes a braking apparatus, clutch mechanism and electronics that control the braking apparatus in response to wireless signals. The wireless signals include low frequency electromagnetic signals within a low frequency band and high frequency signals within a high frequency band.
Public/Granted literature
- US20160339939A1 MULTIPLE FREQUENCY BAND BRAKING APPARATUS WITH CLUTCH Public/Granted day:2016-11-24
Information query
