Invention Grant
- Patent Title: Adzer machine having failsafe head assembly
- Patent Title (中): Adzer机器具有故障安全头组件
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Application No.: US13957153Application Date: 2013-08-01
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Publication No.: US09249542B2Publication Date: 2016-02-02
- Inventor: Ronald Gary West
- Applicant: Progress Rail Services Corporation
- Applicant Address: US AL Albertville
- Assignee: Progress Rail Services Corporation
- Current Assignee: Progress Rail Services Corporation
- Current Assignee Address: US AL Albertville
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Main IPC: E01B31/22
- IPC: E01B31/22
Abstract:
A head assembly is provided for use with adzer machine. The head assembly may have a lift frame, and a cutting head rotationally connected to the lift frame. The head assembly may also have a skid, and a single-acting hydraulic cylinder connecting the skid to the lift frame. The head assembly may further have a spring connecting the skid to the lift frame.
Public/Granted literature
- US20150033975A1 ADZER MACHINE HAVING FAILSAFE HEAD ASSEMBLY Public/Granted day:2015-02-05
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