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US 4,792,708 AGranted
Force motor, multiple, parallel element linear suspension
AssigneeHR Textron, Inc.
InventorKent R. Boyer
Life of this patent
Estimating the term…
Abstract
A suspension system for an electromagnetic linear actuator armature includes plural suspension discs adjustably secured to the armature of the linear actuator. The discs include tortuous-path spring arms between inner and outer rims. The rims are stacked between annular spacers and retained by two annular clamps.
Claims9
A suspension systsem for a linear force motor having a moveable armature comprising:
- a plurality of discs each defining a central opening therethrough and have a peripheral rim;
- first spacer members at said peripheral rim disposed between adjacent ones of said discs;
- second spacer members at said opening disposed between adjacent ones or said discs;
- a holder means for receiving and securing said discs and said first spacer members at the peripheral rim thereof;
- hub means received within said central openings through said discs for securing said discs and said second spacer members at said opening;
- and
- means for securing said hub means on said armature.
4 more elements
A suspension system for a linear force motor having a moveable armature comprising:
- a plurality of discs each defining a central opening therethrough and having a peripheral rim;
- said plurality of discs being N in number and wherein a first N/2 of said discs are oriented in a first direction and a second N/2 of said discs are oriented in a direction opposite said first direction;
- spacer means disposed between adjacent ones of said discs;
- a holder means for receiving and securing said discs at the peripheral rim thereof including a cylinder having an inwardly directed lip and a first retainer ring member disposed within said cylinder opposed to said lip, said peripheral rim of said discs being clamped between said lip and said first retainer ring;
- hub means received within said central openings through said discs including a body having first and second ends and defining a central opening therethrough and having an outwardly extending flange at said first end, a second retainer ring disposed opposed to said flange, said inner rims of said discs being clamped between said flange and said second retainer ring;
- and
- means for securing said hub means on said armature.
4 more elements
Dependencies are inferred from the claim text.