Invention Grant
- Patent Title: Mast with rack assembly
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Application No.: US15712672Application Date: 2017-09-22
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Publication No.: US10662720B2Publication Date: 2020-05-26
- Inventor: Andrew Wurster , Samuel Haworth , Russ Cascio , Tim Bachinski
- Applicant: Harnischfeger Technologies, Inc.
- Applicant Address: US WI Milwaukee
- Assignee: Joy Global Surface Mining Inc
- Current Assignee: Joy Global Surface Mining Inc
- Current Assignee Address: US WI Milwaukee
- Agency: Micheal Best & Friedrich LLP
- Main IPC: E21B15/04
- IPC: E21B15/04 ; E21B19/14 ; E21B17/046 ; E21B7/04 ; E21B4/00 ; E21B19/083 ; E21B7/02
Abstract:
A mast and rack assembly for a mining machine includes a mast and a rack assembly coupled to the mast. The rack assembly includes outer rails and rack segments disposed between the outer rails and the mast. At least one of the outer rails overlaps two of the rack segments.
Public/Granted literature
- US20180087326A1 MAST WITH RACK ASSEMBLY Public/Granted day:2018-03-29
Information query
