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公开(公告)号：US20220234222A1
公开(公告)日：2022-07-28
申请号：US17156070
申请日：2021-01-22
发明人： YUNG-SHUN CHEN , CHENG-CHOU WU
摘要： A utility knife is provided, including: a housing, including first and second compartments; a blade holder, movably received within the first compartment; a blade storing carrier, detachably inserted in the second compartment, including a receiving portion for receiving at least one spare blade; an elastic unit, disposed between the housing and the blade storing carrier; and a locking mechanism, including a base body disposed to the housing, a movable member attached to the base body and movable between locking and release positions, a first engaging member disposed on the movable member and a second engaging member disposed on the receiving portion and releasably engagable with the first engaging member, when the is second engaging member is disengaged from the second engaging member, the elastic unit biases the receiving portion to eject the blade storing carrier.
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公开(公告)号：US20210154823A1
公开(公告)日：2021-05-27
申请号：US16695908
申请日：2019-11-26
申请人： YUNG-SHUN CHEN , CHENG-CHOU WU
发明人： YUNG-SHUN CHEN , CHENG-CHOU WU
摘要： A ratchet wrench is provided, including: a main body and a handling assembly. The main body includes a head portion being assembled with a ratchet head and a handling portion remote from the head portion. The handling assembly includes a casing coveringly disposed on the handling portion, and the casing defines a receiving space which is configured to receive at least one object and has at least one opening disposed therethrough. Part of an outer surface of the handling portion is flush with or protrusive beyond the at least one opening, and a material of the handling portion is different from a material of the casing.
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公开(公告)号：US20220184826A1
公开(公告)日：2022-06-16
申请号：US17117725
申请日：2020-12-10
发明人： YUNG-SHUN CHEN , CHENG-CHOU WU
摘要： A utility knife is provided, including: a housing, defining an operation compartment and a storage compartment; a blade holder, movably received within the operation compartment; a blade storing carrier, movably received within the storage compartment, including a receiving portion for receiving at least one spare blade and a grip portion; and a locking mechanism, including a base body, a movable member, a first engaging member and a second engaging member, the base body being disposed to the housing, the movable member being attached to the base body and movable between a locking position and a release position, the first engaging member being disposed on and movable with the movable member, the first engaging member and the second engaging member are releasably engaged with each other so that the blade storing carrier is detachable from the housing.
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