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公开(公告)号：US4422240A
公开(公告)日：1983-12-27
申请号：US359244
申请日：1982-03-18
CPC分类号： A01G3/0475 , B26B13/06
摘要： A shear has a first elongate blade having a generally convex work-engaging-cutting-edge and an elongate handle portion and a second elongate blade having a generally convex work-engaging-cutting-edge and an elongate handle portion and a pivot means for pivotally linking together the first and second blades. In closing stroke, the blades are swingable toward each other and their cutting edges oppose each other in facing relationship with the defined included angle between the blades at any point of their intersection having certain value in the order of 17.degree..+-.3.degree.. The combined included angles of the bevels of the cutting edges of the blades is in the order of not less than 80.degree. and not more than 120.degree..
摘要翻译： 剪切具有第一细长刀片，其具有大致凸形的工件接合切削刃和细长手柄部分，以及具有大致凸起的工件接合切削刃和细长手柄部分的第二细长刀片以及用于可枢转地 将第一和第二叶片连接在一起。 在关闭行程中，叶片可彼此摆动，并且它们的切割边缘彼此面对着与刀片之间的限定的夹角在任何交点处具有17°+/- 3°量级的一定值的对置关系。 叶片切割刃的斜面的组合夹角在不小于80度且不大于120度的数量级。
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公开(公告)号：US5020222A
公开(公告)日：1991-06-04
申请号：US12890
申请日：1987-02-10
IPC分类号： B26B13/26
CPC分类号： B26B13/26
摘要： Shears are provided with a cutting mechanism for obtaining maximum leverage at the point in the cutting stroke corresponding to the maximum resistance. The cutting mechanism comprises cooperating first and second shearing members and a lever arm. The lever arm is pivotally connected to the first shearing member and a sliding connection is effected between the second shearing member and the lever arm.
摘要翻译： 剪刀设置有切割机构，用于在对应于最大阻力的切割行程中的点处获得最大的杠杆作用。 切割机构包括配合的第一和第二剪切构件和杠杆臂。 杠杆臂枢转地连接到第一剪切构件，并且在第二剪切构件和杠杆臂之间实现滑动连接。
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公开(公告)号：US4156311A
公开(公告)日：1979-05-29
申请号：US864790
申请日：1977-12-27
摘要： A shear having pivoted crossed blades normally biased to opened position is provided with a modular type latch allowing the single handed locking of the handles in a locked position or releasing of the locked handles into an opened position. The latch is integrated as a functional unit for ready association with the other previously assembled shear components by the mere insertion of the unit in situ whereat the shear is immediately available for operational use, securement being obtained without the need for screws or springs or hooks or like supplementary securement means, the latch being self retaining, once inserted. The salient feature is that the latch, which in one key sense is not fixedly related, is an independent unit which is a part of the total structure and serves as the means for latching and unlatching the blades in desired relationships.
摘要翻译： 具有通常偏置到打开位置的具有枢转的交叉叶片的剪切件设置有模块型闩锁，其允许将手柄单手锁定在锁定位置或将锁定的手柄释放到打开位置。 闩锁被集成为功能单元，通过仅将原件单元插入原位而将剪切装置立即可用于操作使用，而不需要螺钉或弹簧或钩，就可以获得与其他先前组装的剪切部件的准备关联 如附加固定装置，一旦插入，闩锁就自身保持。 突出的特征是在一个关键意义上不是固定相关的闩锁是独立的单元，其是总结构的一部分，并且用作用于以期望的关系锁定和解锁叶片的装置。
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公开(公告)号：US4567656A
公开(公告)日：1986-02-04
申请号：US611900
申请日：1984-05-18
CPC分类号： B26B13/16
摘要： A hand tool of the scissors type includes two pivotally-movable operating members or jaws or blades and two pivotally-movable handle members which members are readily separable from each other and are interrelated by a single pivot bolt extendable through the four components so that relative movement between each operating member and its respective handle member is precluded. The components are readily replaceable without supporting rivets, pins, screws or the like. Novel locking means allow easy tool operation both in the opening stroke preparatory for use and in the closing operating stroke and for assuming the safe locked position when the tool is fully closed.
摘要翻译： 剪刀式的手工工具包括两个可枢转运动的操作构件或爪或刀片和两个可枢转地移动的手柄构件，这些构件可容易地彼此分离并且通过可延伸穿过四个构件的单个枢转螺栓相互关联，使得相对运动 在每个操作构件和其相应的手柄构件之间被排除。 这些部件在不支撑铆钉，销钉，螺钉等的情况下可以很容易地更换。 新颖的锁定装置允许在准备使用的开启行程和关闭操作行程中以及当工具完全关闭时假定安全的锁定位置时容易地进行工具操作。
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公开(公告)号：US4442603A
公开(公告)日：1984-04-17
申请号：US460054
申请日：1983-01-21
CPC分类号： A01G3/0255 , Y10T24/3984
摘要： The invention discloses pruning apparatus of the compound action hook and blade type. At the upper end of a longitudinally-extending handle, a stationary hook is fixed and extends upwardly therefrom in a plane parallel to and offset from the longitudinally-extending plane of the handle. It defines a downwardly-facing arcuately-shaped limb-engaging-surface for engagement with a limb. There is a movable blade which has a cutting edge and is operable to be reciprocated in an intersecting manner through cutting and return strokes with relation to the engaged limb and to the limb engaging surface of the fixed hook. A lever is pivotally mounted relative to the hook and a link pivotally interconnects to each of the lever and movable blade. The hook and movable blade and lever and link are each disposed contiguous to a common vertical plane. A rope and pulley assembly operatively interconnects with the movable blade through the lever and link and has a free end extended to the lower extremity of the handle for effecting pivotal movement of the movable blade through the cutting stroke responsively to a manually effected pull. Spring means effects movements of the movable blade through a return stroke. An adjustable grip in the form of a manually engageable member has a sinuous opening therethrough for the extension of the rope thereinto and therethrough and therefrom in the slip free positioning and grasping of the grip relative to the rope for the facilitating of the application of a force on and substantially parallel to the rope.
摘要翻译： 本发明公开了复合动作钩和叶片类型的修剪装置。 在纵向延伸的手柄的上端，固定的钩固定并且在与手柄的纵向延伸的平面平行并偏离的平面中向上延伸。 它限定了一个向下的弧形的肢体接合表面，用于与肢体接合。 存在具有切割边缘的可动刀片，并且可操作以通过相对于被接合的肢体和固定钩的肢体接合表面的切割和返回行程以交叉的方式往复运动。 杠杆相对于钩枢转地安装，并且连杆枢转地连接到杠杆和可动刀片中的每一个。 钩和可动刀片以及杠杆和连杆分别设置成与公共垂直平面相邻。 绳索和滑轮组件通过杠杆和连杆与可动刀片可操作地相互连接，并且具有延伸到手柄下端的自由端，以响应于手动拉动而实现可动刀片通过切割行程的枢转运动。 弹簧意味着通过返回行程影响可动刀片的运动。 可手动接合构件形式的可调节把手具有一个穿过其中的弯曲开口，用于将绳索延伸并穿过其中，从而在手柄相对于绳索的无滑动定位和抓握中，以便于施加力 在绳索上并基本平行。
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公开(公告)号：US4420883A
公开(公告)日：1983-12-20
申请号：US277927
申请日：1981-06-26
CPC分类号： A01G3/0255 , B25G1/04
摘要： The invention discloses pruning apparatus of the compound action hook and blade type. At the upper end of a longitudinally-extending handle, a stationary hook is fixed and extends upwardly therefrom in a plane parallel to and offset from the longitudinally-extending plane of the handle. It defines a downwardly-facing arcuately-shaped limb-engaging-surface for engagement with a limb. There is a movable blade which has a cutting edge and is operable to be reciprocated in an intersecting manner through cutting and return strokes with relation to the engaged limb and to the limb engaging surface of the fixed hook. A lever is pivotally mounted relative to the hook and a link pivotally interconnects to each of the lever and movable blade. The hook and movable blade and lever and link are each disposed contiguous to a common vertical plane. A rope and pulley assembly operatively interconnects with the movable blade through the lever and link and has a free end extended to the lower extremity of the handle for effecting pivotal movement of the movable blade through the cutting stroke responsively to a manually effected pull. Spring means effects movements of the movable blade through a return stroke. An adjustable grip in the form of a manually engageable member has a sinuous opening therethrough for the extension of the rope thereinto and therethrough and therefrom in the slip free positioning and grasping of the grip relative to the rope for the facilitating of the application of a force on and substantially parallel to the rope.
摘要翻译： 本发明公开了复合动作钩和叶片类型的修剪装置。 在纵向延伸的手柄的上端，固定的钩固定并且在与手柄的纵向延伸的平面平行并偏离的平面中向上延伸。 它限定了一个向下的弧形的肢体接合表面，用于与肢体接合。 存在具有切割边缘的可动刀片，并且可操作以通过相对于被接合的肢体和固定钩的肢体接合表面的切割和返回行程以交叉的方式往复运动。 杠杆相对于钩枢转地安装，并且连杆枢转地连接到杠杆和可动刀片中的每一个。 钩和可动刀片以及杠杆和连杆分别设置成与公共垂直平面相邻。 绳索和滑轮组件通过杠杆和连杆与可动刀片可操作地相互连接，并且具有延伸到手柄下端的自由端，以响应于手动拉动而实现可动刀片通过切割行程的枢转运动。 弹簧意味着通过返回行程影响可动刀片的运动。 可手动接合构件形式的可调节把手具有一个穿过其中的弯曲开口，用于将绳索延伸并穿过其中，从而在手柄相对于绳索的无滑动定位和抓握中，以便于施加力 在绳索上并基本平行。
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公开(公告)号：US4258472A
公开(公告)日：1981-03-31
申请号：US78910
申请日：1979-09-26
摘要： An elongated pressure sensitive adhesive element for attachment within a recess on a component part of a shear, the upper side of the sheet carrying indicia for indicating the manufacturer or distributor or seller of the shear. The shear has pivoted crossed blades normally biased to opened position and is provided preferentially with a recess or inset in the spine or upper wall of the upper handle, into which an ornamental and/or information-bearing label may be inserted: (a) to impart a pleasing appearance to the tool; (b) to conceal an unsightly rivet which attaches the biasing spring to the handle; and (c) to carry information such as the manufacturer's or distributor's name, his trademark, tool model or number, or the like. The label and upper handle may be of contrasting colors to enhance tool attractiveness.
摘要翻译： 一种细长的压敏粘合剂元件，用于附接在剪切部件的凹部内，片材的上侧带有用于指示剪切的制造商或分销商或卖方的标记。 剪切已经使通常偏压到打开位置的交叉叶片枢转，并且优选地在上手柄的脊或上壁中设置有凹部或插入物，可以插入装饰和/或信息承载标签：（a） 给工具带来愉悦的外表; （b）隐藏将偏置弹簧固定在手柄上的难看的铆钉; 和（c）携带诸如制造商或分销商的名称，他的商标，工具模型或号码等的信息。 标签和上部手柄可以是对比的颜色，以增强工具的吸引力。
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公开(公告)号：USD258486S
公开(公告)日：1981-03-10
申请号：US46353
申请日：1979-06-07
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公开(公告)号：US4073059A
公开(公告)日：1978-02-14
申请号：US718827
申请日：1976-08-30
摘要： A pruning shear of the hook style or pass-by type wherein the crossed levers are pivoted in combination with a power element for absorbing the impact generated upon the completion of the severing function as the shear is moving in shear closing direction. The shear has a cutting blade, a hook type blade, a yoke shaped upper handle straddling the two blades, a lower handle integral with the cutting blade, a leaf spring biasing the two handles to opened position, and a power element wherein a contained or restricted force producing material of rubber or like elastomeric form is deformable as a damping mechanism for absorbing the impact as momentarily sustained when the work engaged between the blades is finally and fully severed.
摘要翻译： 钩型或过路型的剪切剪切，其中交叉杆与功率元件组合枢转，用于吸收当切割器沿剪切方向移动时切断功能完成时产生的冲击。 剪切具有切割刀片，钩型刀片，跨过两个刀片的轭形上手柄，与切割刀片一体的下把手，将两把手偏置到打开位置的片簧，以及功能元件，其中包含或 橡胶或类似弹性体形式的限制力产生材料可变形为阻尼机构，用于当接合在叶片之间的工件最终并完全切断时将冲击吸收在瞬间持续。
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公开(公告)号：US07908944B2
公开(公告)日：2011-03-22
申请号：US12274850
申请日：2008-11-20
申请人： John Nason , Hal Hardinge , Edward M. Wallace
发明人： John Nason , Hal Hardinge , Edward M. Wallace
摘要： One embodiment of the invention relates to a locking pliers. The locking pliers include a pair of handles and a pair of interconnected jaws coupled to the handles. The jaws are movable between a retracted position within the handles and an extended position extending from the handles. The jaws are slidably coupled to the handles and configured to slide between the retracted position and the extended position without opening the handles. When the jaws are in the extended position, the jaws have an unclamped configuration in which the jaws are adjustable by a user to permit the jaws to lock onto objects of various sizes and clamped configuration in which the jaws are releasably locked onto an object.
摘要翻译： 本发明的一个实施例涉及一种锁定钳。 锁定钳包括一对把手和一对连接到把手的互连爪。 夹爪可在手柄之间的缩回位置和从手柄延伸的延伸位置之间移动。 夹爪可滑动地联接到把手并且构造成在缩回位置和延伸位置之间滑动，而不打开把手。 当夹爪处于延伸位置时，夹爪具有松开的构造，其中夹爪可由使用者调节，以允许钳口锁定到各种尺寸的物体和夹持构造，其中夹爪可释放地锁定在物体上。
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