Invention Grant
- Patent Title: Tamper resistant closure mechanism for a utility vault
- Patent Title (中): 防篡改关闭机构，用于实用保险库
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Application No.: US13851809Application Date: 2013-03-27
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Publication No.: US09346593B2Publication Date: 2016-05-24
- Inventor: Nguyen Thai Dang
- Applicant: Oldcastle Precast, Inc.
- Applicant Address: US WA Auburn
- Assignee: Oldcastle Precast, Inc.
- Current Assignee: Oldcastle Precast, Inc.
- Current Assignee Address: US WA Auburn
- Agency: Sheridan Ross P.C.
- Main IPC: H02G9/10
- IPC: H02G9/10 ; B65D50/00 ; B21D53/24 ; F16B37/00 ; F16B37/02
Abstract:
A nut configured to threadably engage an external thread of a bolt is provided. The nut generally comprises an upper portion that defines a first thread, a lower portion that defines a second thread, and a sidewall portion that connects the upper portion and the lower portion. The upper portion may be separated from the lower portion by a gap, and the sidewall portion may include a first sidewall spaced apart from a second sidewall.
Public/Granted literature
- US20130248534A1 TAMPER RESISTANT CLOSURE MECHANISM FOR A UTILITY VAULT Public/Granted day:2013-09-26
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