Invention Grant
- Patent Title: Apparatus for safely lowering user from structure
- Patent Title (中): 用于安全降低用户结构的设备
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Application No.: US12882004Application Date: 2010-09-14
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Publication No.: US08167090B2Publication Date: 2012-05-01
- Inventor: Ralph L. Michael
- Applicant: Ralph L. Michael
- Agency: Fountain Law Group, Inc.
- Agent George L. Fountain
- Main IPC: B65H75/30
- IPC: B65H75/30
Abstract:
An apparatus is disclosed for safely lowering a user from a structure. The apparatus includes a frame; a spool including a cable rotatably mounted on the frame; a securing device attached to the cable and adapted to securely attached to the structure; a user support adapted to support the user and securely attached to the frame; and a pair of centrifugal hydraulic brake systems adapted to slow a rotation of the spool to cause the user support, spool and frame to descend at a safe rate for the user. In another embodiment, the apparatus includes a frame; a spool including a cable rotatably mounted on the frame; a securing device attached to the frame and adapted to securely attached to the structure; a user support adapted to support the user and attached to the cable; and a pair of centrifugal hydraulic brake systems adapted to slow a rotation of the spool to cause the user support to descend at a safe rate for the user.
Public/Granted literature
- US20120061183A1 APPARATUS FOR SAFELY LOWERING USER FROM STRUCTURE Public/Granted day:2012-03-15
Information query
