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41. 发明授权

US4646605A Precision saw with variable speed drive 失效
标题翻译：精密锯具有变速驱动
公开(公告)号：US4646605A
公开(公告)日：1987-03-03
申请号：US769014
申请日：1985-08-26
申请人： Verle L. Rice , Robert P. Rafferty , Richard A. Keener
发明人： Verle L. Rice , Robert P. Rafferty , Richard A. Keener
IPC分类号： B23D49/00 , B23D51/16 , B27B19/06
CPC分类号： B23D51/16 , B23D49/007 , Y10T83/7045 , Y10T83/705
摘要： A precision woodworking saw having a variable speed drive mechanism which drives a saw blade carried on a reciprocating C arm. An electric motor has a drive shaft carrying a split drive pulley which drives a split driven pulley through a V-belt. The driven pulley is mounted on a driven shaft which reciprocates the C arm through an eccentric drive arm. The pulley sections of the split pulleys are movable toward and away from one another to vary the pitch of each pulley and its effective diameter. An adjustment knob can be turned to adjust both pulleys simultaneously to vary the speed ratio between the driven shaft and drive shaft as desired to control the speed at which the saw blade is driven.
摘要翻译：一种精密木工锯具有驱动在往复式C臂上承载的锯片的变速驱动机构。电动机具有驱动轴，该驱动轴承载有通过V形带驱动分离的从动滑轮的分离驱动滑轮。从动皮带轮安装在从动轴上，C轴通过偏心驱动臂往复运动。分裂皮带轮的皮带轮部分可以彼此移动并远离彼此，以改变每个皮带轮的音高及其有效直径。可以转动调节旋钮以同时调节两个滑轮，以根据需要改变从动轴和驱动轴之间的速比，以控制锯片驱动的速度。

42. 发明授权

US4616541A Walking beam scroll saw 失效
标题翻译：步行梁卷锯
公开(公告)号：US4616541A
公开(公告)日：1986-10-14
申请号：US640399
申请日：1984-08-13
申请人： Curtis J. Eccardt , Richard B. Brundage
发明人： Curtis J. Eccardt , Richard B. Brundage
IPC分类号： B23D49/00 , B23D51/14 , B27B19/04
CPC分类号： B27B19/04 , B23D49/007 , B23D51/14 , Y10T83/2066 , Y10T83/7045 , Y10T83/8723 , Y10T83/937
摘要： A scroll or jigsaw of the walking beam type is disclosed in which the upper and lower beams or arms are of hollow, tubular construction so as to have sufficient rigidity to resist up and down vibrational movement, and so as to permit lateral cutting. The beams are mounted in a pair of identical die cast frame members, and the drive motor is mounted directly to the rear of the frame members. The motor is connected to the rear ends of the beams for reciprocably driving them. The frame members, together with the motor, are pivotally mounted relative to a base or table frame thereby to permit angling of the saw blade (as opposed to tilting the table) for bevel cuts.
摘要翻译：公开了一种步进梁型的卷轴或拼图，其中上梁和下梁具有中空的管状结构，以便具有足够的刚度以抵抗上下振动运动，并且允许横向切割。梁安装在一对相同的压铸框架构件中，并且驱动马达直接安装在框架构件的后部。电动机连接到梁的后端以可往复驱动它们。框架构件与电动机一起相对于基座或桌面框架枢转地安装，从而允许锯片的倾斜（与倾斜工作台相对）用于斜切。

43. 发明授权

US3369580A Cutting apparatus 失效
公开(公告)号：US3369580A
公开(公告)日：1968-02-20
申请号：US64600467
申请日：1967-06-14
申请人： EDWARD JOSEPH TAFT
发明人： JOSEPH TAFT EDWARD
IPC分类号： B26D1/00 , B27B19/00
CPC分类号： B26D3/006 , B27B19/008 , Y10T83/7045

44. 发明授权

US2692622A Portable jig saw 失效
标题翻译：便携式夹具锯
公开(公告)号：US2692622A
公开(公告)日：1954-10-26
申请号：US35865553
申请日：1953-06-01
申请人： HEESE GEORGE O
发明人： HEESE GEORGE O
IPC分类号： B23D49/00
CPC分类号： B23D49/007 , Y10T83/7045 , Y10T83/7065 , Y10T83/8843 , Y10T83/9481

45. 发明授权

US1387851A Notching device 失效
标题翻译：开槽设备
公开(公告)号：US1387851A
公开(公告)日：1921-08-16
申请号：US21340618
申请日：1918-01-23
申请人： KEY EMMETT M
发明人： KEY EMMETT M
IPC分类号： B27F5/02
CPC分类号： B27F5/02 , Y10S83/917 , Y10T83/0304 , Y10T83/7045

46. 发明授权

US1000159A Hacksaw. 失效
公开(公告)号：US1000159A
公开(公告)日：1911-08-08
申请号：US1909504009
申请日：1909-06-24
申请人： DUKE CALVIN F
发明人： DUKE CALVIN F
CPC分类号： B23D47/04 , Y10T83/7045 , Y10T83/7493 , Y10T83/8691 , Y10T83/8773 , Y10T83/8876

47. 发明授权

US305705A Chaeles m 失效
公开(公告)号：US305705A
公开(公告)日：1884-09-23
申请号：US305705D
CPC分类号： B27B25/10 , B26D7/01 , Y10T83/654 , Y10T83/6895 , Y10T83/7045

48. 发明授权

US46548A Improvement 失效
公开(公告)号：US46548A
公开(公告)日：1865-02-28
申请号：US46548D
CPC分类号： B23D59/00 , Y10T83/6548 , Y10T83/7045

49. 发明授权

US09242361B2 Universal accessories for oscillating power tools 有权
标题翻译：用于振荡电动工具的通用配件
公开(公告)号：US09242361B2
公开(公告)日：2016-01-26
申请号：US13781900
申请日：2013-03-01
申请人： Black & Decker Inc.
发明人： Thomas R. Kaye, Jr. , James R. Niblett
IPC分类号： B24B23/04 , B27B5/30 , B25F3/00 , B23B31/10 , B27B19/00 , B23B31/19 , B25F5/00 , B24B23/00 , B27B5/32 , B23D61/00
CPC分类号： B25F3/00 , B23B31/10 , B23B31/19 , B23D61/006 , B24B23/005 , B24B23/04 , B25F5/00 , B27B5/30 , B27B5/32 , B27B19/006 , Y10T83/7045 , Y10T83/9319 , Y10T83/9457 , Y10T279/33 , Y10T279/3406 , Y10T403/7062
摘要： An accessory for coupling to an attachment mechanism of an oscillating power tool includes a working end, an opposite rear end, and a fitment portion adjacent the rear end portion. The fitment portion includes a generally U-shaped opening open at the rear end and in communication with a central opening to receive a post of a tool clamping mechanism. The fitment portion further includes a first plurality of openings in communication with and extending radially outward from the central opening, a second plurality of openings not in communication with and positioned radially outward from the central opening. The central opening, the first plurality of openings, and the second plurality of openings are configured to couple the fitment portion to a plurality of different configurations of attachment mechanisms for oscillating power tools.
摘要翻译：用于联接到振荡动力工具的附接机构的附件包括工作端，相对的后端和与后端部相邻的配合部。配件部分包括在后端处敞开的大致U形的开口，并且与中心开口连通以接收工具夹紧机构的支柱。配合部分还包括与中心开口连通并从其径向向外延伸的第一多个开口，与中心开口不相连并径向向外定位的第二多个开口。中心开口，第一多个开口和第二多个开口构造成将配件部分耦合到用于振荡电动工具的多个不同配置的附接机构。

50. 发明授权

US08960688B2 Power tool 有权
标题翻译：电动工具
公开(公告)号：US08960688B2
公开(公告)日：2015-02-24
申请号：US13180684
申请日：2011-07-12
申请人： Hongtao Zhou
发明人： Hongtao Zhou
IPC分类号： B23B31/02 , B24B45/00 , B23D61/00 , B23D61/10 , B24B23/02 , B27B5/32
CPC分类号： B24B45/006 , B23D61/006 , B23D61/10 , B24B23/022 , B27B5/32 , Y10T83/7045 , Y10T83/9457 , Y10T279/32 , Y10T279/33
摘要： A power tool has a driving shaft driving a working element, a fastening piece fastening the working element to the driving shaft having a projecting shaft insertable into the driving shaft, a locking assembly locking the projecting shaft in the driving shaft having a locking member wherein the locking member has a locking position for locking the projecting shaft with the driving shaft and a loosening position for loosening the projecting shaft with the driving shaft. At the locking position, the fastening piece is pressed towards an end portion of the driving shaft by an elastic component. The locking assembly further includes a movable member arranged outside of the driving shaft, the movable member having a first portion and a second portion which can be directly or indirectly mated with the locking member wherein a radial distance of the first portion relative to a shaft center of the driving shaft is unequal to that of the second portion relative to the shaft center of the driving shaft.
摘要翻译：电动工具具有驱动工作元件的驱动轴，紧固件将工作元件紧固到具有可插入驱动轴的突出轴的驱动轴上，锁定组件将突出轴锁定在具有锁定构件的驱动轴中，其中，锁定构件具有用于将突出轴与驱动轴锁定的锁定位置和用于使驱动轴松动突出轴的松动位置。在锁定位置，紧固件通过弹性部件被推向驱动轴的端部。所述锁定组件还包括布置在所述驱动轴的外侧的可动构件，所述可动构件具有第一部分和第二部分，所述第一部分和第二部分可以与所述锁定构件直接或间接配合，其中所述第一部分相对于轴心的径向距离的驱动轴不等于第二部分相对于驱动轴的轴心。

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