Invention Grant
US07686538B2 Portable vibratory screed with bubble vial inclination indication system
失效
便携式振动熨平板，带气泡瓶倾斜指示系统
- Patent Title: Portable vibratory screed with bubble vial inclination indication system
- Patent Title (中): 便携式振动熨平板，带气泡瓶倾斜指示系统
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Application No.: US11763239Application Date: 2007-06-14
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Publication No.: US07686538B2Publication Date: 2010-03-30
- Inventor: Todd J. Lutz , Richard D. Goldberg , Darrin W. Dauffenbach , Timothy J. Lickel
- Applicant: Todd J. Lutz , Richard D. Goldberg , Darrin W. Dauffenbach , Timothy J. Lickel
- Applicant Address: US WI Menomonee Falls
- Assignee: Wacker Neuson Corporation
- Current Assignee: Wacker Neuson Corporation
- Current Assignee Address: US WI Menomonee Falls
- Agency: Boyle Fredrickson, S.C.
- Main IPC: E01C19/38
- IPC: E01C19/38
Abstract:
A portable vibratory screed includes a blade that is connected to a handle constructed to be manipulated by an operator. Nodes of minimum vibrational amplitude are formed at specific locations along the length of the blade when the exciter is driven at a rated operating speed. A site level and/or the handle is attached to the blade at or in the vicinity of one or more of these nodes, therefore, is relatively isolated from induced vibrations.
Public/Granted literature
- US20070292208A1 Portable Vibratory Screed with Bubble Vial Inclination Indication System Public/Granted day:2007-12-20
Information query
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