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    • 7. 发明申请
    • POWERED-OPERATED SCREWDRIVING DEVICE
    • 动力驱动螺丝刀装置
    • WO9914017A8
    • 1999-11-04
    • PCT/US9818904
    • 1998-09-11
    • JALBERT DAVID BBUZZEO DAVID JRUSSELL JAMES AHEWITT CHARLES W
    • JALBERT DAVID BBUZZEO DAVID JRUSSELL JAMES AHEWITT CHARLES W
    • B25B21/00B25B23/00B25B23/04B23B31/107B25B15/00B25F3/00F16B23/00
    • B25B23/04B25B21/00B25B23/0035B25B23/045
    • The present invention is a power-operated screwdriving device (14) configured to be used with a rotary power source (12) and a supply of collated screws. The device (14) comprises a housing structure (16) and a feeding assembly (18) defines a drive track (232) carried by the housing (16) and providing a workpiece engaging surface (20). The drive track (232) is configured to receive a lead screw (398) from the supply. A rotatable screw engaging bit member (52) is constructed and arranged to be operatively connected to the rotary power source (12) such that the rotary power source (12) rotates the screw engaging bit member (52) during a screwdriving operation. The rotatable screw engaging bit member (52) is movable relative to the drive track and the workpiece engaging surface (20) such that, when the workpiece engaging surface (20) is engaged with the surface of the workpiece, rotation of the bit member (52) and relative movement between the bit member (52) and the drive track (232) drives the lead screw (398) into the workpiece during the screwdriving operation. Screw depth setting structure (60) is positioned and configured such that the feeding assembly engaging surface (74) engages the feeding assembly (18) to thereby limit the relative movement occurring between the screw engaging bit member (52) and the workpiece engaging surface (38) during the screwdriving operation. The workpiece engaging surface (38) and the rotatable screw engaging bit member (52) are constructed and arranged such that, when the feeding assembly (18) is engaged with the feeding assembly engaging surface (74), a distance between a screw engaging end portion (81) of the bit member (52) and the workpiece engaging surface (80) determines the depth to which the lead screw (398) will be driven relative to the surface of the workpiece during the screwdriving operation. A manually engageable screw depth adjusting member (64) is disposed exteriorly of the housing structure (16) and operatively connected to the screw depth setting structure (60). The screw depth adjusting member (64) is constructed and arranged such that manual operation thereof moves the screw depth setting structure (60) through a range of adjustable positions to thereby adjust the depth to which the lead screw (398) will be driven to the surface of the workpiece during the screwdriving operation.
    • 本发明是一种动力驱动的螺旋驱动装置(14),该驱动装置构造成与旋转动力源(12)和供应的对准螺钉一起使用。 装置(14)包括壳体结构(16),并且供给组件(18)限定由壳体(16)承载并提供工件接合表面(20)的驱动轨道(232)。 驱动轨道(232)构造成接收来自电源的导螺杆(398)。 可旋转的螺钉啮合钻头构件(52)被构造和布置成可操作地连接到旋转动力源(12),使得旋转动力源(12)在螺钉驱动操作期间旋转螺钉啮合钻头构件(52)。 可旋转的螺钉啮合钻头构件(52)可相对于驱动轨道和工件接合表面(20)移动,使得当工件接合表面(20)与工件的表面接合时,钻头构件( 52),并且在螺钉驱动操作期间,钻头构件(52)和驱动轨道(232)之间的相对运动将丝杠(398)驱动到工件中。 螺钉深度设定结构60被定位和构造成使得供给组件接合表面74与供给组件18接合,从而限制螺钉接合钻头构件52和工件接合表面52之间发生的相对运动。 在螺丝起子操作过程中。 工件接合表面(38)和可旋转的螺钉啮合钻头构件(52)被构造和布置成使得当进给组件(18)与进给组件啮合表面(74)啮合时,螺钉啮合端部件 钻头构件52的部分81和工件接合表面80确定了在螺丝驱动操作期间导螺杆398相对于工件表面被驱动的深度。 可手动接合的螺钉深度调节构件(64)布置在壳体结构(16)的外部并且可操作地连接到螺钉深度设定结构(60)。 螺杆深度调节构件64被构造和布置成使得其手动操作使螺杆深度设定结构60移动一定范围的可调位置,从而调节螺杆398将被驱动到的深度 螺丝拧紧过程中工件的表面。