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    • 3. 发明申请
    • CUTTING ASSEMBLY FOR HAND-HELD POWER TOOL
    • 用于手持式电动工具的切割组件
    • WO2011028156A1
    • 2011-03-10
    • PCT/SE2009/050984
    • 2009-09-01
    • HUSQVARNA ABSVENNUNG, Johan
    • SVENNUNG, Johan
    • A01G3/053B26B15/00
    • A01G3/053Y10T83/4475Y10T83/4496
    • The invention relates to a cutting assembly (4) for a portable hand- held power driven working tool. The cutting assembly (4) comprises a first elongate cutting blade (9) and a second elongate cutting blade (10). The cutting blades (9, 10) are arranged to be connected to a gear, causing the cutting blades (9, 10) to move in a reciprocal manner along a longitudinal axis of the cutting blades (9, 10). The cutting blades (9, 10) are arranged to be mounted so that an interior surface (11)of the first cutting blade (9) faces towards and abuts on an interior surface (12)of the second cutting blade (10), wherein at least one of the cutting blades (9, 10) has a recess (13, 14) extending in a longitudinal portion of the interior surface (11, 12) of the cutting blades(9, 10), such that a gap (15) appears between the cutting blades (9, 10) when they are mounted in a face-to-face relationship. The gap (15) prevents the flow of the grease from the gearbox (7) beyond the position of the gap (15) on the cutting assembly(4).
    • 本发明涉及一种用于便携式手持式动力驱动工作工具的切割组件(4)。 切割组件(4)包括第一细长切割刀片(9)和第二细长切割刀片(10)。 切割刀片(9,10)被布置成连接到齿轮,使得切割刀片(9,10)沿着切割刀片(9,10)的纵向轴线以往复的方式移动。 切割刀片(9,10)被布置成被安装成使得第一切割刀片(9)的内表面(11)朝向并邻接第二切割刀片(10)的内表面(12),其中 至少一个切割刀片(9,10)具有在切割刀片(9,10)的内表面(11,12)的纵向部分中延伸的凹部(13,14),使得间隙(15) )出现在切割刀片(9,10)之间,当它们以面对面的关系安装时。 间隙(15)防止来自齿轮箱(7)的润滑脂超过切割组件(4)上的间隙(15)的位置。
    • 6. 发明授权
    • Cut-off mechanism for paper towel dispenser
    • 纸巾分送机的切断机构
    • US4131044A
    • 1978-12-26
    • US834404
    • 1977-09-19
    • Antonio M. Cassia
    • Antonio M. Cassia
    • A47K10/36B26D5/26
    • B26D5/26A47K10/3643A47K2010/365Y10T83/4448Y10T83/4455Y10T83/4496Y10T83/8784
    • A cut-off mechanism is provided in a dispenser for dispensing a web of paper towel from a supply roll thereof, the cut-off mechanism including a flat cam member fixedly secured to the dispenser feed roller for rotation therewith and a drive member having a generally cylindrical portion cooperating with the cam member to form a chamber for a spiral coiled spring secured between the drive member and the dispenser feed roller so that rotation of the latter with respect to the former during dispensing of the web winds the spring. The drive member is connected by linkage to a movable cutting blade and is also provided with a stop surface which is engageable with a latch member normally to hold the movable blade motionless during winding of the spring. The cam member engages the latch to release the drive member after a predetermined length of web has been dispensed to drive the cutting member, by unwinding of the wound spring, into cooperation with a fixed blade substantially to sever the dispensed web from the supply roll. A cam portion on the drive member engages the latch member to release the cam member after the cutting operation.
    • 在用于从其供应辊分配纸巾的分配器中提供切断机构,所述切断机构包括固定地固定到分配器进给辊以与之一起旋转的平坦的凸轮部件,以及具有一般的驱动部件 圆柱形部分与凸轮构件配合以形成用于螺旋螺旋弹簧的腔室,该腔室固定在驱动构件和分配器进给辊之间,使得在分配织物时弹簧的转动相对于前者旋转。 驱动构件通过联动连接到可动切割刀片,并且还设置有止动表面,该止动表面通常能够在弹簧的卷绕期间保持可动刀片不动。 凸轮构件接合闩锁以释放驱动构件,在已经分配预定长度的腹板之后,通过松开卷绕弹簧来驱动切割构件,与固定刀片配合,从而将分配的腹板从供应辊上切断。 驱动构件上的凸轮部分接合闩锁构件,以在切割操作之后释放凸轮构件。