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    • 15. 发明授权
    • Motor-driven chain saw braking/locking apparatus
    • 电动链锯制动/锁定装置
    • US4811487A
    • 1989-03-14
    • US681051
    • 1984-12-13
    • Kazuyuki TakahashiYasuhiro OeEtushi Yamamoto
    • Kazuyuki TakahashiYasuhiro OeEtushi Yamamoto
    • B27G19/06B27B17/08F16D59/00
    • B27B17/083F16D59/00
    • An electric motor driven chain saw braking/locking apparatus with which electric current flow to the motor of the saw is halted simultaneously with braking of the motor when a hand guard is tilted forwardly. A belt brake device and a brake switching device are linked with the hand guard, which is pivotably mounted to the housing in front of a front handle, such that the braking force is applied at substantial of the same time that the switch is opened. A brake drum of the brake device is fixed to a motor drive shaft of the motor at a position where it receives cooling air from the motor. A lock mechanism is provided in the hand guard whereby, in an emergency, a braking operation with the hand guard can be easily and quickly performed.
    • 当手护罩向前倾斜时,电动机驱动的链锯制动/锁定装置与电动机的制动同时停止与电动机的电流的流动。 皮带制动装置和制动开关装置与手把相连,该手护罩在前手柄的前方可枢转地安装在壳体上,使得制动力在开关打开的大致同时施加。 制动装置的制动鼓在从马达接收冷却空气的位置处固定到马达的马达驱动轴上。 在护手中设置有锁定机构,由此,在紧急情况下,可以容易且快速地执行与护手的制动操作。
    • 16. 发明授权
    • Brush holder with automatically released retainer
    • 刷架具有自动释放保持架
    • US4607184A
    • 1986-08-19
    • US678427
    • 1984-12-05
    • Kazuyuki TakahashiYasuhiro OeEtushi Yamamoto
    • Kazuyuki TakahashiYasuhiro OeEtushi Yamamoto
    • H01R39/38H01R39/40H02K13/00
    • H01R39/40
    • A brush holder adapted for automatic assembly having a simplified construction and reduced cost. The brush holder is composed of a generally U-shaped holder box having an opening extending from a top end thereof along one side of the box, and a holder plate covering the opening. The holder plate has a recess for receiving the brush therein, and a stop for preventing movement of the brush through the opening of the holder box when retained by the stop. When the brush is to be mounted on a motor casing or the like, a protrusion of the motor casing is extended through a through-hole in the holder plate, thereby releasing the brush from engagement with the brush stop and permitting it to protrude through the hole in the top end of the box.
    • 一种适于自动组装的电刷架,具有简化的结构并降低成本。 刷架由大致U形的保持箱构成,该保持箱具有从其顶端沿盒的一侧延伸的开口和覆盖该开口的保持板。 保持板具有用于在其中容纳刷子的凹部和用于防止当通过止动件保持时刷子通过保持器盒的开口的移动的止动件。 当电刷安装在电动机壳体等上时,电动机壳体的突出部通过保持板上的通孔而延伸,从而使电刷与电刷停止接合,使其能够突出通过 孔顶端的盒子。
    • 20. 发明授权
    • Illumination device and display device
    • 照明装置和显示装置
    • US09335558B2
    • 2016-05-10
    • US13543792
    • 2012-07-07
    • Toshifumi YasuiHiroshi IsobeKazuyuki Takahashi
    • Toshifumi YasuiHiroshi IsobeKazuyuki Takahashi
    • G09G5/10G02B27/48G03B21/20G03B33/08H04N9/31
    • G02B27/48G03B21/2033G03B21/208G03B33/08H04N9/3129H04N9/3155
    • An illumination device including a light source section including a laser light source, and allowing a laser light beam emitted from the laser light source to be output intermittently at a predetermined frequency; an optical element through which the laser light beam passes; and a driver section changing a coherency of the laser light beam by driving the optical element at a predetermined drive frequency. Expressions (1) |2×f2−n1×f1|≧20 or (2) |2×f2−n2×f1|≦3, (3) f2≧20 or (4) f2≦3, and (5) |f2−n1×f1|≧20 or (6) |f2−n3×f1|≦3 are satisfied, where f1 denotes the predetermined frequency in Hz, f2 denotes a variation frequency of luminance in illumination light output from the optical element in Hz, the variation frequency being generated by the driving of the optical element, n1 denotes an arbitrary integer of 0 to 10 both inclusive, and n2 and n3 denote respective predetermined integers of 0 to 10 both inclusive.
    • 一种照明装置,包括:包括激光源的光源部,并且使从所述激光光源发射的激光束以预定频率间歇地输出; 激光束通过的光学元件; 以及通过以预定的驱动频率驱动光学元件来改变激光束的一致性的驱动器部分。 表达式(1)| 2×f2-n1×f1 |≥20或(2)| 2×f2-n2×f1 |≦̸ 3,(3)f2≥20或(4)f2≦̸ 3和(5) | f2-n1×f1 |≥20或(6)| f2-n3×f1 |≦̸ 3,其中f1表示以Hz为单位的预定频率,f2表示从光学元件输出的照明光的亮度变化频率 以Hz为单位,通过驱动光学元件产生的变化频率,n1表示0〜10的任意整数,n2和n3表示0〜10的各自的规定的整数。