US Patent 11274506 Drilling and bolting device
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Patent Inventor Names
Patrick Ross Willaman0
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Patent Number
112745060
Date of Patent
March 15, 2022
0Patent Application Number
164326390
Date Filed
June 5, 2019
0Official Website
Patent Primary Examiner
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Article (+683 characters)
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A drill device includes a base frame, a feed frame supported for movement relative to the base frame, and a feed device for inserting a drill element into a rock surface. The base frame includes a pair of fluid cylinders. The feed frame extends along a feed axis and includes a plurality of guide bars aligned parallel to the feed axis. The feed device is supported for movement relative to the feed frame in a direction parallel to the feed axis. The feed device includes a first guide member and a second guide member. The first guide member engages a surface of at least one of the guide bars, and the second guide member engages another surface of at least one of the guide bars.
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US Patent 11274506 Drilling and bolting device
Infobox
Is a
Patent jurisdiction
Patent number
11274506
Date of patent
March 15, 2022
Patent application number
16432639
Date Filed
June 5, 2019
Patent primary examiner
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