Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1997-09-08
1999-06-08
Jeffery, John A.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
74471XY, 74 8915, 403225, G05G 1100
Patent
active
059101920
ABSTRACT:
In a preferred embodiment, a linear positioning device, including: a frame member; an electric motor disposed to selectively move axially back and forth in the frame member; carriage apparatus attached to the electric motor; and apparatus to guide the motor in axial movement and to prevent radial movement thereof. In a further aspect of the invention, there is provided a frame for a linear positioning device, including: a horizontal base plate; vertical end plates for attachment to ends of the base plate; the base plate including a first groove defined in the surface thereof for the mounting therein of a guide rail for a moving member; and the base plate is cut from an extrusion which includes the first groove, without the machining thereof. In another aspect of the invention, there is provided, in a linear positioning device, having the front end plate of an electric motor as an end plate of the device. In an additional aspect of the invention, there is provided, in a positioning device, having an electric motor fixedly mounted to an end plate of the device.
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patent: 5505104 (1996-04-01), Takei
Donnelly Richard
Peterson Brian
Pulford, Jr. Robert
Crozier John H.
Fenstermacher David
Jeffery John A.
Tri-Tech., Inc.
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