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公开(公告)号：US20220161407A1
公开(公告)日：2022-05-26
申请号：US17102091
申请日：2020-11-23
Applicant: Caterpillar Inc.
Inventor： Cody T. Moore , Manoj Kumar , Hariom Kumar Gupta , Gurbaz Singh , Akshay Deepak Mate , Chetan Vilas Dahiwal
Abstract: A dust cover for a hammer work tool, a hammer work tool, and a method of attaching the same are disclosed. The hammer work tool includes a housing, a power cell enclosed inside the housing, a tool member, and a detachable dust cover. When attached, the dust cover prevents particulate matter from entering the housing. When detached, a housing opening uncovered by the dust cover provides access to the power cell for maintenance and repairs. During installation, a housing rim and a locking tab of the hammer work tool are respectively received by a groove and a locking tab receiver of the dust cover. Advantageously, the dust cover is durable, cost effective, and easily attached and detached without the use of additional tools.
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公开(公告)号：US12234706B2
公开(公告)日：2025-02-25
申请号：US18318642
申请日：2023-05-16
Applicant: Caterpillar Inc.
Inventor： Koushik Kabiraj , Akshay Deepak Mate , Ebi Bernard
Abstract: A down-the-hole hammer includes a barrel having a longitudinal axis and defining a middle chamber and a bottom chamber, a piston defining a top chamber and slidable within the barrel between the middle chamber and the bottom chamber, a control tube having a distal port, and an air distributor having a first distal port and a second distal port. The control tube is indexable between a plurality of rotational positions to adjust which of the first distal port and the second distal port of the air distributor is aligned with the distal port of the control tube.
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公开(公告)号：US11981013B2
公开(公告)日：2024-05-14
申请号：US17102091
申请日：2020-11-23
Applicant: Caterpillar Inc.
Inventor： Cody T. Moore , Manoj Kumar , Hariom Kumar Gupta , Gurbaz Singh , Akshay Deepak Mate , Chetan Vilas Dahiwal
CPC classification number: B25D17/20 , E02F3/966 , B25D2217/0065
Abstract: A dust cover for a hammer work tool, a hammer work tool, and a method of attaching the same are disclosed. The hammer work tool includes a housing, a power cell enclosed inside the housing, a tool member, and a detachable dust cover. When attached, the dust cover prevents particulate matter from entering the housing. When detached, a housing opening uncovered by the dust cover provides access to the power cell for maintenance and repairs. During installation, a housing rim and a locking tab of the hammer work tool are respectively received by a groove and a locking tab receiver of the dust cover. Advantageously, the dust cover is durable, cost effective, and easily attached and detached without the use of additional tools.
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