发明名称 RIFLE HANDGUARD SYSTEM WITH INTEGRATED BARREL NUT
摘要 A handguard system for use on a rifle having a barrel and a receiver, the hand guard system includes a barrel nut having an inner surface with a threaded portion adapted to threadably engage the receiver for securing the barrel to the receiver and an outer surface, and a tubular handguard having an end. The tubular handguard is receivable about the barrel and is received about the barrel nut, engaging the outer surface thereof.
申请公布号 US2015135572(A1) 申请公布日期 2015.05.21
申请号 US201514588519 申请日期 2015.01.02
申请人 Stanowski David 发明人 Davies Robert Bruce
分类号 F41C23/16 主分类号 F41C23/16
代理机构 代理人
主权项 1. A handguard configured to be aligned with an upper receiver comprising: a tubular portion, where the tubular portion has a long axis, where the tubular portion has a plurality of openings along the long axis, where the tubular portion has a non- circular cross-section, and a first inner portion of the tubular portion, where the first inner portion is configured to slide snuggly over a contact portion of an attachment to a barrel, where the first inner portion is configured such that if the tubular portion experiences a flexing force then the tubular portion engages the contact portion to provide a counter force opposing the flexing force, where the contact portion is part of the outer surface of the attachment; an extension rail attached to the tubular portion; and an alignment feature, where the alignment feature is configured to contact a portion of an upper receiver and align the tubular portion with the upper receiver.
地址 Galveston TX US