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1. 外观设计

USD376806S Compound miter saw 失效
公开(公告)号：USD376806S
公开(公告)日：1996-12-24
申请号：US26145
申请日：1994-07-20
申请人： Jeffrey S. Holly , Andrew L. Itzov , Charles A. Hirsch , Robert D. Davis , Richard P. Brault
设计人： Jeffrey S. Holly , Andrew L. Itzov , Charles A. Hirsch , Robert D. Davis , Richard P. Brault

2. 外观设计

USD381667S Compound miter saw 失效
公开(公告)号：USD381667S
公开(公告)日：1997-07-29
申请号：US47607
申请日：1995-12-08
申请人： Andrew L. Itzov , Richard P. Brault , Robert D. Davis , Jeffrey S. Holly
设计人： Andrew L. Itzov , Richard P. Brault , Robert D. Davis , Jeffrey S. Holly

3. 发明授权

US5265511A Controlled axial position hinge assembly 失效
标题翻译：受控轴向位置铰链总成
公开(公告)号：US5265511A
公开(公告)日：1993-11-30
申请号：US930004
申请日：1992-08-13
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B23D45/04 , B27B5/20 , B27B5/29
CPC分类号： B23D45/044 , Y10T16/5357 , Y10T16/5382 , Y10T16/5535 , Y10T16/557 , Y10T403/32852 , Y10T403/32893 , Y10T403/32918 , Y10T83/7788 , Y10T83/9461 , Y10T83/9469
摘要： A pivot assembly for mounting an operating member on a base member for pivotal movement about an axis at an optimum axial position comprising: a pivot shaft having an axis, a base member and an operating member having axially opposable first and second inner surfaces respectively, a first mounting apparatus for mounting one of the members at a fixed axial position on the pivot shaft, and a second mounting apparatus for mounting the other member on the pivot shaft for relative rotational movement, and for axial movement to a position where the first and second inner surfaces axially oppose each other with an axial space therebetween, and the other member is at the optimum axial position. The second mounting apparatus includes, a pair of compressible disk springs mounted to be in a biased condition when the other member is at the optimum axial position. The disk springs constantly tend to move the other member in one axial direction away from the optimum position. The second mounting apparatus also includes a stop which prevents movement of the other member relative to the pivot shaft in the one axial direction from the optimum position and maintains the disk springs in the biased condition thereby preventing movement of the other member from the optimum position due to wear induced axial dimensional changes.
摘要翻译：一种用于将操作构件安装在基座构件上的枢轴组件，用于在最佳轴向位置围绕轴线枢转运动，包括：枢轴，其具有轴线，基座构件和具有分别具有轴向相对的第一和第二内表面的操作构件，用于将一个构件安装在枢转轴上的固定轴向位置的第一安装装置和用于将另一构件安装在枢轴上用于相对旋转运动的第二安装装置，并且用于轴向移动到第一和第二内表面彼此轴向地相对地具有轴向空间，另一个构件处于最佳轴向位置。第二安装装置包括：一对可压缩盘弹簧，其在另一个构件处于最佳轴向位置时被安装成处于偏压状态。碟形弹簧不断倾向于使另一个构件沿一个轴向移动远离最佳位置。第二安装装置还包括止挡件，其防止另一个构件相对于枢转轴在一个轴向方向上从最佳位置移动并且将盘簧保持在偏置状态，从而防止另一个构件从最佳位置的移动磨损引起的轴向尺寸变化。

4. 发明授权

US5370025A Motorized saw with movable blade guard actuating linkage 失效
标题翻译：电动锯具有可动刀片防护动作联动装置
公开(公告)号：US5370025A
公开(公告)日：1994-12-06
申请号：US135281
申请日：1993-10-12
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B27G19/02 , B27G19/04 , B23D59/00
CPC分类号： B27G19/02 , Y10T83/606 , Y10T83/7697 , Y10T83/7734 , Y10T83/7747 , Y10T83/7788 , Y10T83/862
摘要： A motorized saw comprising a base having a work piece support, and a cutting station at which a work piece is cut; a cutting unit including a motor, an arbor on which a saw blade can be removably mounted for rotation about an arbor axis driven by the motor, and a movable guard, movable between surround and non-surround positions relative to a lower portion of the saw blade; mounting apparatus securing the cutting unit on the base for movement between a non-cutting position remote from the cutting station and a cutting position which places the saw blade at the cutting station; a movable guard actuating apparatus connected between the base and the movable guard to progressively move the movable guard toward the non-surrounding position as the saw blade cuts through the work piece at the cutting station, the actuating apparatus includes a lost motion member permitting the movable guard to be freely moved by manual actuation thereof to the non-surrounding position only when the cutting unit is in the non-cutting position to expose the saw blade for removal; a lockout apparatus automatically contactable by the movable guard actuating apparatus when the movable guard is in the non-surrounding position for preventing movement of the cutting unit from the non-cutting position until the movable guard is returned to the saw blade surrounding position.
摘要翻译：一种电动锯，包括具有工件支撑件的基座和切割工件，在该切割工位上切割工件; 切割单元，包括马达，心轴，锯片可拆卸地安装在所述心轴上，用于围绕由马达驱动的心轴轴线旋转;以及可移动护罩，可相对于锯的下部在环绕和非围绕位置之间移动刀; 安装设备将切割单元固定在基座上，用于在远离切割站的非切割位置与将锯片放置在切割站处的切割位置之间移动; 连接在基座和可移动护罩之间的可移动的保护器致动装置，当锯片在切割站处切穿工件时，将可移动护罩逐渐移动到非围绕位置，致动装置包括允许可动只有当切割单元处于非切割位置以露出锯片才能移除时，防护件通过其手动致动而自由移动到非围绕位置; 当可移动防护件处于非围绕位置时，可由活动防护装置驱动装置自动接触的锁定装置，以防止切割装置从非切割位置移动直到可移动防护件返回到锯片围绕位置。

5. 发明授权

US5937720A Lower blade guard actuating mechanism for a slide compound miter saw 失效
标题翻译：用于滑动复合斜切锯的下刀片防护器致动机构
公开(公告)号：US5937720A
公开(公告)日：1999-08-17
申请号：US688309
申请日：1996-07-30
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B23D45/04 , B23D45/14 , B27C7/06 , B27G19/02 , B26D5/00
CPC分类号： B27G19/02 , B23D45/048 , Y10S83/01 , Y10T83/606 , Y10T83/7697 , Y10T83/7734 , Y10T83/7788
摘要： A cutting tool including a base having a turntable pivotally mounted on the base for movement about a vertical axis, a support member mounted on the turntable, and a saw arm mounted on the support member for pivotal movement about an axis between cutting and non-cutting positions. The saw arm has a saw blade including a lower portion. The saw blade is mounted for rotation about an arbor axis. A lower blade guard is supported on the saw arm for pivotal movement about the arbor axis between a surround position wherein the lower blade guard surrounds the lower portion of the saw blade and a non-surround position wherein the lower portion of the saw blade is exposed for cutting. The cutting tool also includes a cam plate mounted on the saw arm, and a cam follower mounted on the support member such that movement of the saw arm between the non-cutting position and the cutting position causes pivotal movement of the lower blade guard between the surround position and the non-surround position.
摘要翻译：一种切割工具，包括具有可枢转地安装在基座上用于围绕垂直轴线运动的转盘的基座，安装在转盘上的支撑构件和安装在支撑构件上的锯臂，用于围绕切割和非切割之间的轴线的转动职位锯臂具有包括下部的锯片。锯片安装成围绕心轴轴线旋转。下刀片防护件支撑在锯臂上，用于围绕心轴轴线枢转运动，在环形位置之间，其中下刀片护罩围绕锯片的下部和非围绕位置，其中锯片的下部暴露用于切割。切割工具还包括安装在锯臂上的凸轮板和安装在支撑构件上的凸轮从动件，使得锯臂在非切割位置和切割位置之间的移动使得下刀片防护罩的枢转运动在环绕位置和非环绕位置。

6. 发明授权

US4648758A Two position linkage 失效
标题翻译：两位联动
公开(公告)号：US4648758A
公开(公告)日：1987-03-10
申请号：US750185
申请日：1985-07-01
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B23B45/14 , B23B45/16 , B25H1/00 , B23B45/06
CPC分类号： B25H1/0042 , Y10S408/712 , Y10T408/6786 , Y10T74/206
摘要： The drill stand has a vertical column and a clamp moveably mounted on the column. A carriage adapted to support a drill is moveably mounted on the column for movement with and with respect to the clamp. A link is pivoted on the clamp and has two pivot locations. A lever arm is pivotally connected to the carriage and has two roller pivots selectively engageable with either of the pivot locations to change the force multiplication and travel distance as the arm is pivoted about the selected pivot location. Each pivot location is at the end of a track having one portion on a curve centered on the link connection to the clamp and another portion on an arc centered on the pivot location associated with the other of the tracks. Each roller engages one of the tracks. The pivot locations are closer together than are the rollers so only one roller can be in a pivot location at one time. The link can be moved about its pivot connection to the clamp to select which of the rollers will be in its associated pivot location. A detent arrangement, including a protrusion on the link and a leaf spring engageable with the protrusion when said arm is raised, acts to retain a selected roller in its pivot location.
摘要翻译：钻台具有可移动地安装在柱上的垂直柱和夹具。适于支撑钻头的托架可移动地安装在柱上以与夹具一起移动。连杆在夹具上枢转，并具有两个枢轴位置。杠杆臂枢转地连接到滑架，并且具有两个滚子枢轴，其可选择性地与任一个枢转位置接合，以在臂围绕所选择的枢转位置枢转时改变力倍增和行进距离。每个枢轴位置处于轨道的端部，轨道的一部分在曲线中心于与夹具的连接连接处的曲线上，而在圆弧上的另一部分以与另一轨道相关联的枢转位置为中心。每个滚轮接合其中一个轨道。枢轴位置比辊子更靠近在一起，因此只有一个辊子可以一次位于枢轴位置。连杆可以围绕其枢转连接件移动到夹具，以选择哪个辊子将处于其关联的枢转位置。当所述臂升起时，包括所述连杆上的突起和与所述突起接合的板簧的制动装置用于将所选择的辊保持在其枢转位置。

7. 发明授权

US06474207B1 Bevel angle adjustment mechanism for a compound miter saw 有权
标题翻译：复合斜切锯的斜角调整机构
公开(公告)号：US06474207B1
公开(公告)日：2002-11-05
申请号：US09185338
申请日：1998-11-03
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B27B520
CPC分类号： B23D45/044 , B27B5/29 , Y10T83/7697 , Y10T83/7705 , Y10T83/7726 , Y10T83/7788 , Y10T83/8773 , Y10T83/9457
摘要： A miter saw including a base having a support surface for supporting a workpiece. A turntable is mounted on the base for rotation about a vertical axis and a support is mounted on the turntable. A bevel angle adjustment mechanism is mounted on the support and includes a housing movable about a horizontal bevel angle axis. A cutting unit is connected to the housing for pivotal movement about a horizontal axis between a cutting position and a non-cutting position. The bevel angle adjustment mechanism supports cutting unit for movement in a first direction from a vertical position to a bevel angle position greater than 45° from vertical. The bevel angle adjustment mechanism also supports the cutting unit for movement in a second direction opposite to the first direction to approximately a negative 5° bevel angle position. Preferably, the miter saw further includes a biasing member, and the cutting unit is freely movable between a vertical, 0° bevel angle position and a transverse, 45° bevel angle position and movable against the force of the biasing member beyond the 0° and 45° bevel angle positions.
摘要翻译：斜切锯包括具有用于支撑工件的支撑表面的基座。旋转台安装在基座上以围绕垂直轴线旋转，支架安装在转台上。斜角调节机构安装在支撑件上并且包括围绕水平斜角角轴线可移动的壳体。切割单元连接到壳体，用于围绕切割位置和非切割位置之间的水平轴线枢转运动。斜角调节机构支撑切割单元，用于沿着第一方向从垂直位置移动到与垂直方向大于45°的斜角位置。斜角调节机构还支撑切割单元，用于沿与第一方向相反的第二方向移动到大约负的5°斜角位置。优选地，斜切锯还包括偏置构件，并且切割单元可以在垂直的0°斜角位置和横向的45°斜角位置之间自由移动，并且抵抗偏置构件的力超过0°，并且 45°斜角位置。

8. 发明授权

US5829333A Bevel angle adjustment mechanism for a compound miter saw 失效
标题翻译：复合斜切锯的斜角调整机构
公开(公告)号：US5829333A
公开(公告)日：1998-11-03
申请号：US679741
申请日：1996-07-15
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B27C7/06 , B23D45/04 , B27B5/29 , B27B5/20
CPC分类号： B23D45/044 , B27B5/29 , Y10T83/7697 , Y10T83/7705 , Y10T83/7726 , Y10T83/7788 , Y10T83/8773 , Y10T83/9457
摘要： A miter saw including a base having a support surface for supporting thereon a workpiece. A turntable is mounted on the base for rotation about a vertical axis and a support is mounted on the turntable for movement therewith. A cutting unit is mounted on the support for pivotal movement about a first horizontal axis between a cutting position and a non-cutting position and a bevel mechanism connects the cutting unit to the support to allow pivotal movement of the cutting unit about a horizontal bevel angle axis perpendicular to the first horizontal axis such that the movement is in a first direction from a vertical position through a range greater than 45.degree. from vertical, and in a second direction opposite to the first direction and beyond vertical, such that the cutting unit is adjustable to allow compound miter cutting of the workpiece at an expanded range of bevel angle positions beyond the vertical and 45.degree. bevel angle positions.
摘要翻译：一种斜切锯，其包括具有用于在其上支撑工件的支撑表面的基部。旋转台安装在基座上以围绕垂直轴线旋转，并且支架安装在转台上以与其一起运动。切割单元安装在支撑件上以围绕切割位置和非切割位置之间的第一水平轴线枢转运动，并且斜面机构将切割单元连接到支撑件，以允许切割单元围绕水平斜角角度的枢转运动垂直于第一水平轴线的轴线，使得该运动处于从垂直位置到垂直方向大于45度的范围的第一方向上，并且在与第一方向相反的第二方向上并且超过垂直方向，使得切割单元可调节，允许在垂直和45°斜角角度位置的斜角位置的扩展范围内对工件进行复合斜切。

9. 发明授权

US5865079A Adjustable workpiece support apparatus for a compound miter saw 失效
标题翻译：用于复合斜切锯的可调节工件支撑装置
公开(公告)号：US5865079A
公开(公告)日：1999-02-02
申请号：US654797
申请日：1996-05-29
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B27C7/06 , B23D45/04 , B23D47/02 , B23Q3/00 , B23Q16/10 , B27B27/00 , B27G5/02 , B26D7/00
CPC分类号： B27G5/02 , B23D45/044 , B23D47/025 , B23Q16/102 , B27B27/00 , Y10T83/7613 , Y10T83/7697 , Y10T83/7763 , Y10T83/7768 , Y10T83/8773
摘要： A miter saw including a base having a support surface for supporting thereon a workpiece and a turntable mounted on the base for rotation about a generally vertical axis. A support is mounted on the turntable for movement therewith and a saw arm is mounted on the support for pivotal movement about a horizontal bevel angle axis such that the saw arm is adjustable to cut the workpiece at a selected bevel angle, and the saw arm being mounted on the support for pivotal movement about a second horizontal axis perpendicular to the bevel angle axis to allow movement of the saw arm between cutting and non-cutting positions. A reversible fence is removably connected to the base to support the workpiece on the base. The fence has opposite ends such that one end has a vertical edge portion for supporting the workpiece during conventional miter cutting of the workpiece and the other end has an angled edge portion for supporting the workpiece during compound miter cutting of the workpiece.
摘要翻译：一种斜切锯，其包括具有用于支撑工件的支撑表面的底座和安装在基座上用于围绕大致竖直轴线旋转的转台。支撑件安装在转台上以与其一起运动，并且锯臂安装在支撑件上以围绕水平斜角轴线枢转运动，使得锯臂可调节以以选定的斜角切割工件，并且锯臂为安装在支撑件上以围绕垂直于斜角轴线的第二水平轴线的枢转运动，以允许锯臂在切割位置和非切割位置之间移动。可逆的围栏可移除地连接到基座上以将工件支撑在基座上。围栏具有相对的端部，使得一端具有垂直边缘部分，用于在工件的常规斜切切割期间支撑工件，并且另一端具有用于在工件的复式斜切切割期间支撑工件的成角度的边缘部分。

10. 发明授权

US5862732A Support assembly for a slide compound miter saw 失效
标题翻译：支撑组件用于滑动复合斜切锯
公开(公告)号：US5862732A
公开(公告)日：1999-01-26
申请号：US690637
申请日：1996-07-30
申请人： Andrew L. Itzov
发明人： Andrew L. Itzov
IPC分类号： B23D45/04 , B27B5/20
CPC分类号： B23D45/044 , Y10T83/7697 , Y10T83/7772 , Y10T83/7788 , Y10T83/8773
摘要： A slide compound miter saw includes a base and a turntable mounted on the base for rotation about a vertical axis. The turntable has a generally planar turntable support surface for supporting thereon a workpiece. A longitudinally extending support shaft is mounted on the turntable for movement therewith. The support shaft has a longitudinal bevel axis coplanar with the turntable support surface. The miter saw also includes a cutting unit mounted on the support shaft for longitudinal movement toward and away from the turntable and for rotational movement about the bevel axis relative to the turntable.
摘要翻译：滑动复合斜切锯包括安装在基座上的基座和转台，用于围绕垂直轴线旋转。转台具有用于在其上支撑工件的大致平面的转盘支撑表面。一个纵向延伸的支撑轴安装在转台上以与其一起运动。支撑轴具有与转台支撑表面共面的纵向斜面轴。斜切锯还包括安装在支撑轴上的切割单元，用于朝向和远离转台的纵向移动，并且围绕转盘相对于转盘围绕斜面轴线旋转运动。

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