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公开(公告)号：US20210348881A1
公开(公告)日：2021-11-11
申请号：US17314704
申请日：2021-05-07
摘要： In some embodiments, an apparatus comprises a first body and a second body aligned upon an axis. The first body comprises a first sight window and a first side edge, a second side edge and a base edge defining the first sight window. The second body comprises a second sight window and a first side edge, a second side edge and a base edge defining the second sight window. The axis extends through a center of the first sight window and through a center of the second sight window.
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公开(公告)号：US20200232773A1
公开(公告)日：2020-07-23
申请号：US16747413
申请日：2020-01-20
IPC分类号： F42B6/06
摘要： In some embodiments, an arrow comprises a shaft comprising a tubular wall comprising a cavity and a nock comprising a notch arranged to engage a bowstring. An intake inlet is in fluid communication with the cavity and an exhaust outlet is in fluid communication with the cavity.
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公开(公告)号：US20240053122A1
公开(公告)日：2024-02-15
申请号：US18382382
申请日：2023-10-20
摘要： In some embodiments, an apparatus comprises a first body and a second body aligned upon an axis. The first body comprises a first sight window and a first side edge, a second side edge and a base edge defining the first sight window, and a first central indicator. The second body comprises a second sight window and a first side edge, a second side edge and a base edge defining the second sight window, and a second central indicator. The axis extends through a center of the first sight window and through a center of the second sight window.
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