Variable screw-driven system

Details Variable screw-driven system Variable screw-driven system

1996-04-15

1997-09-16

Young, Lee W.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

60545, 60538, 74567, 74569, B60T 842

Patent

active

056672837

ABSTRACT:
A variable screw-driven system includes a rotatable drive screw powered by a motor actuator. A nut is disposed about the drive screw and is linearly translatable in response to rotation of the drive screw. The nut carries a cam follower which travels within a cam track. Linear translation of the nut is altered by tracking of the cam following within the cam track such that rotation of the nut is effected simultaneously with rotation of the drive screw resulting in an effective variable pitch of the variable screw-driven system wherein linear translation of the nut results from both rotation of the drive screw and rotation of the nut.

REFERENCES:
patent: 3420580 (1969-01-01), Dymond
patent: 4653815 (1987-03-01), Agarwal et al.
patent: 4938543 (1990-07-01), Parker et al.
patent: 5026126 (1991-06-01), Umasankar et al.
patent: 5147118 (1992-09-01), Reuter et al.
patent: 5246283 (1993-09-01), Shaw et al.
patent: 5439278 (1995-08-01), Tsukamoto et al.
patent: 5454631 (1995-10-01), Frieling et al.

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