Feed frame of tunnel drill

CN309405489SActive Publication Date: 2025-07-25CHIFENG DINGZUN DRILLING RIG EQUIP CO LTD
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Patent Information

Application Number
CN202430765149.3
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-07-25
Estimated Expiration
2039-12-03

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Abstract

1. The name of the product of this design: feed rack for tunnel drilling rig. 2. Purpose of this product design: A support frame used to support the machine head to slide back and forth during drilling. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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