Invention Grant
- Patent Title: Safety lowering device
- Patent Title (中): 安全降低装置
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Application No.: US13732291Application Date: 2012-12-31
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Publication No.: US09119978B1Publication Date: 2015-09-01
- Inventor: Carroll C. Bassett
- Applicant: Carroll C. Bassett
- Agency: Johnston Holroyd
- Agent Mary-Jacq Holroyd
- Main IPC: A62B1/04
- IPC: A62B1/04 ; A62B1/14
Abstract:
A U-shaped frame supporting three bars of circular cross section movable along the arms of the rod, enlarged abutments on the free ends of the rod preventing removal of the bars, and the first bar being attached to a handle so that the bar may be moved up/down the arms by holding/releasing the handle.
Information query
IPC分类:
