Patents Assigned to MIC Manufacturing and Machine Works Ltd.
  • Fastener driving device with multiple bits
    Patent number: 4440048
    Abstract: A screwdriver comprises a handle having four screwdriver blades pivotally connected adjacent one end. The blades may be pivoted from a stored position alongside the handle to an operative position in advance of the handle. A locking device locks the blade in an operative position and comprises a disc rotatably mounted on the one end of the handle with a slot to engage the blade. The slot has a radial portion and a circumferential position so that the blade first enters the radial portion and the disc is then rotated to hold the blade in the circumferential portion.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: April 3, 1984
    Assignee: MIC Manufacturing and Machine Works Ltd.
    Inventors: Larry G. H. Stevens, Edmund G. F. Sweet, Franklin V. Vresk
  • Fastener driving device with multiple bits
    Patent number: 4327790
    Abstract: A screwdriver comprises a handle having four screwdriver blades pivotally connected adjacent one end. The blades may be pivoted from a stored position alongside the handle to an operative position in advance of the handle. A locking device locks the blade in an operative position and comprises a disc rotatably mounted on the one end of the handle with a slot to engage the blade. The slot has a radial portion and a circumferential position so that the blade first enters the radial portion and the disc is then rotated to hold the blade in the circumferential portion.
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: May 4, 1982
    Assignee: MIC Manufacturing and Machine Works Ltd.
    Inventors: Larry G. H. Stevens, Edmund G. F. Sweet, Franklin V. Vresk