Invention Application
- Patent Title: Door truck with a one piece frame and low friction wheels
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Application No.: US09740020Application Date: 2000-12-20
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Publication No.: US20020073506A1Publication Date: 2002-06-20
- Inventor: Douglas C. Mittag
- Applicant: RICHARDS-WILCOX INC.
- Applicant Address: null
- Assignee: RICHARDS-WILCOX INC.
- Current Assignee: RICHARDS-WILCOX INC.
- Current Assignee Address: null
- Main IPC: A47H013/00
- IPC: A47H013/00
Abstract:
A door truck which has a one piece frame and plastic wheels for operation in an overhead track for supporting a door in which the wheels are mounted to the frame with barrel nuts and a threaded stud. The frame has a door supporting portion through which a pendant nut can be extended with its head mounted upwardly or downwardly so as to support a door.
Public/Granted literature
- US06463625B2 Door truck with a one piece frame and low friction wheels Public/Granted day:2002-10-15
Information query
