Concrete mixer truck inspection hatch cover mounting adapter
JP1830776SActive Publication Date: 2026-07-03OHMI ASANO CONCRETE CO LTD
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Patent Information
- Application Number
- JP2026002988D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2026-02-16
- Publication Date
- 2026-07-03
- Estimated Expiration
- 2051-02-16
Smart Images

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Abstract
The article relating to this design is a mounting adapter that can be attached to an existing inspection port provided in the drum body of a concrete mixer truck, and allows a lid to be attached to the inspection port. The article comprises an annular outer part and an annular inner part formed in a stepped manner on the inner circumference side of the outer part. The outer part has a plurality of mounting holes on its outer edge and is fixed to the existing inspection port of the drum body. The inner part has a plurality of screw holes and a lid can be attached to it.
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