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公开(公告)号：US11148271B2
公开(公告)日：2021-10-19
申请号：US16204395
申请日：2018-11-29
申请人： Snap-on Incorporated
发明人： Scott A. Bendorf
摘要： A dead blow hammer head with end caps coupled to a central body through an interference fit. The ends of the body can be flared axially and radially outward and interference fit with the recesses to maximize the surface area overlap between the ends of the body and the recesses. By maximizing the surface area overlap, stress concentrations and failure are reduced. The hammer head can also include a shot or other mass that is unobstructed by screws or pins due to the interference fit of the hammer head components. The interference fit can become stronger during use with each impact further solidifying the surface area overlap between the ends and central portion of the hammer head.
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公开(公告)号：US20210094162A1
公开(公告)日：2021-04-01
申请号：US17033867
申请日：2020-09-27
申请人： Rex Harper
发明人： Rex Harper
摘要： In one example, a system includes a hammer extender having a head formed from an upper layer, a lower layer and a side layer. The hammer extender includes an elongated body portion having a solid core elongated portion and a hollow core elongated portion. One end of the solid core elongated portion is connected to the head, and the other end is connected to the hollow core elongated portion. The hollow core elongated portion can receive and guide a nail during impact. The system may include a hammer having a hammer handle with a hollow interior to store the hammer extender.
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公开(公告)号：US20200171641A1
公开(公告)日：2020-06-04
申请号：US16204395
申请日：2018-11-29
申请人： Snap-on Incorporated
发明人： Scott A. Bendorf
摘要： A dead blow hammer head with end caps coupled to a central body through an interference fit. The ends of the body can be flared axially and radially outward and interference fit with the recesses to maximize the surface area overlap between the ends of the body and the recesses. By maximizing the surface area overlap, stress concentrations and failure are reduced. The hammer head can also include a shot or other mass that is unobstructed by screws or pins due to the interference fit of the hammer head components. The interference fit can become stronger during use with each impact further solidifying the surface area overlap between the ends and central portion of the hammer head.
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公开(公告)号：US20190255694A1
公开(公告)日：2019-08-22
申请号：US16333557
申请日：2016-09-14
申请人： Talaat H. A. Mostafa
发明人： Talaat H. A. Mostafa
摘要： A tool including a handle, a head, and a flexible shaft including a plurality of shaft members each connecting the handle with the head. The shaft members include at least one fixed shaft member and at least one floating shaft member. Each of the fixed shaft members is fixedly connected with both the handle and the head, and each of the floating shaft members is reciprocably connected with at least one of the handle and the head.
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公开(公告)号：US20120137832A1
公开(公告)日：2012-06-07
申请号：US12957917
申请日：2010-12-01
申请人： Jeffrey Herr , Matt Herr
发明人： Jeffrey Herr , Matt Herr
IPC分类号： B25D1/14
摘要： A tactical entry tool for creating an entry point through a building structure is provided. The tool includes a shaft portion including a shaft, and a head portion attached to a first end of the shaft. The head portion includes two heads, with each head including a head shaft extending from the shaft to form a ‘Y’ shaped structure and a break head portion attached to the head shaft at an opposite end from which the head shaft is connected to the shaft. Each break head portion includes a plurality of teeth surrounding the perimeter of the break head portion and a plurality of breaker tips extending from the break head portion.
摘要翻译： 提供了一种用于通过建筑结构创建入口点的战术输入工具。 该工具包括轴部分，其包括轴，以及头部，其附接到轴的第一端。 头部包括两个头部，每个头部包括从轴延伸以形成“Y”形结构的头轴和在头轴连接到轴的相对端附接到头轴的断头部分 。 每个断开头部分包括围绕断裂头部分的周边的多个齿和从断裂头部分延伸的多个断路器尖端。
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公开(公告)号：US07950308B2
公开(公告)日：2011-05-31
申请号：US12230140
申请日：2008-08-25
申请人： Tetsuya Atsumi , Munehiro Takasugi
发明人： Tetsuya Atsumi , Munehiro Takasugi
IPC分类号： B25D1/14
CPC分类号： B25D1/14 , B25D1/00 , B25D2222/51 , B25D2250/321
摘要： The hammer for breaking polycrystalline silicon is provided with a handle portion extending along a center axis and a head portion extending in a direction intersecting a direction of the center axis at the leading end of the handle portion. The head portion is provided with a head main body connecting with the handle portion, a striking part installed at one end of the head main body via a coupling shaft portion, and a counter weight portion installed at the other end of the head main body. The head main body, the coupling shaft portion, the striking part and the counter weight portion are formed integrally from a hard metal. A round-raised striking surface is formed at the striking part.
摘要翻译： 用于断开多晶硅的锤子设置有沿中心轴线延伸的手柄部分和在手柄部分的前端沿与中心轴线方向相交的方向延伸的头部。 头部设置有与手柄部连接的头主体，经由联接轴部安装在头主体的一端的打击部和安装在头主体的另一端的配重部。 头主体，联轴器部分，打击部分和配重部分由硬金属一体地形成。 在打击部分处形成圆形的打击表面。
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公开(公告)号：US20060021474A1
公开(公告)日：2006-02-02
申请号：US10900128
申请日：2004-07-28
申请人： Michael Burgess
发明人： Michael Burgess
CPC分类号： B25D1/04 , B25D1/14 , B25D2250/275
摘要： A double-headed striking tool is provided with a first and second head of approximately equal mass mounted at opposing ends of a handle such that the first and second head are aligned at a right angle to each other. The handle is shaped to provide an aligned grip with an expanded or flared midsection that tapers to a smaller cross-sectional area at the opposing ends. The first and second head may be formed with a crown or bevelled strike face and a curved or straight claw. A carrier for a double-headed striking tool comprises a keyhole-shaped receptacle for inserting the strike face of the tool, and suspending the tool by its neck.
摘要翻译： 双头打击工具设置有安装在手柄的相对端处的大致相等质量的第一和第二头部，使得第一和第二头部彼此成直角对准。 手柄被成形为提供对准的手柄，其中扩张或扩口的中部部分在相对端处变细到较小的横截面积。 第一和第二头可以形成有冠状或斜面的打击面和弯曲或直的爪。 用于双头打击工具的托架包括用于插入工具的冲击面的锁孔形容器，并且通过其颈部使工具悬挂。
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8.发明授权公开(公告)号：US06928899B1
公开(公告)日：2005-08-16
申请号：US10844669
申请日：2004-05-12
申请人： Ming-Hsuan Lin
发明人： Ming-Hsuan Lin
摘要： A striking head-interchangeable hammer includes a handle, a head body connected securely to the handle and formed with a through-hole and upper and lower bores, a striking body having a connecting portion that is received fittingly in the lower bore, and a stress-distributable fastener including a connecting rod that extends through the through-hole and the upper and lower bores in the head body to engage threadedly the striking body, and that is formed with an abutting flange received fittingly in the upper bore and anchored on and abutting against an abutting face of a bore-defining wall of the upper bore upon tightening of the connecting rod onto the striking body.
摘要翻译： 醒目的可互换的锤包括手柄，头部本体牢固地连接到手柄并形成有通孔和上孔和下孔，具有适合地接纳在下孔中的连接部分的冲击体和应力 - 可分配的紧固件，包括延伸穿过通孔的连杆和头部主体中的上孔和下孔，以螺纹地接合冲击体，并且形成有邻接的凸缘，该邻接凸缘适配地接合在上孔中并且锚固并抵靠 在将连接杆紧固到打击体上时，抵靠上孔的孔限定壁的邻接面。
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公开(公告)号：US5408902A
公开(公告)日：1995-04-25
申请号：US209555
申请日：1994-03-10
申请人： John A. Burnett
发明人： John A. Burnett
摘要： A composite split head percussive tool including a rigid load bearing framework which carries a non-load bearing head assembly. The non-load bearing head assembly comprises a pair of axially aligned split heads that are interconnected to each other by an elastomeric link. The elastomeric link is encased and fixed within the tool body. During use of the tool, the elastomeric link acts as a dampener that suppresses the struck end rebound of the tool. When one head is struck against a surface, the elastomeric link allows the unstruck head to move toward the struck head and provide a secondary blow that inhibits the tool's struck end from bouncing away from the surface thereby providing the hammer with a unique "dead-blow" characteristic.
摘要翻译： 一种复合分体头部冲击工具，其包括承载非承重头部组件的刚性承载框架。 非负载轴承头组件包括一对轴向对准的分离头，它们通过弹性体连接件相互连接。 弹性连杆被包裹并固定在工具主体内。 在使用工具期间，弹性体连接件用作抑制工具的撞击端回弹的阻尼器。 当一个头部撞击表面时，弹性体连接件使得不稳定头部朝向撞击头移动，并提供二次打击，其阻止工具的撞击端从表面反弹，从而为锤提供独特的“死气沉沉 “特色。
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公开(公告)号：US4910820A
公开(公告)日：1990-03-27
申请号：US356190
申请日：1989-05-24
申请人： Richard A. Brinkman
发明人： Richard A. Brinkman
摘要： A combination hammer and casement window opening and closing mechanism operator for use by a framing carpenter includes a head unit having two impact surfaces and a socket in the handle. The socket is used to operate the crank of a casement window opening and closing mechanism, and one of the two impact surfaces is used when the hammer must be used in small, confined areas.
摘要翻译： 由木框木匠使用的组合锤和平开窗打开和关闭机构操作器包括具有两个冲击表面的头单元和手柄中的插座。 插座用于操作平开窗打开和关闭机构的曲柄，并且当锤子必须用于小的封闭区域时，使用两个冲击表面中的一个。
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