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US 4,094,397 AGranted
Typewriter selection drive follower block and shuttle assembly
AssigneeInternational Business Machines Corporation
InventorFrank Marion Hughes
Life of this patent
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Abstract
A shuttle is disclosed which carries as part of its assembly at least a pair of follower blocks for providing the motion required to effect selection on a single element typewriter. The shuttle allows the follower blocks to provide the requisite motion and also allows a non-disengaging drive of the shuttle with the controlling driving shaft.
Claims2
A shuttle assembly for use in a single element typewriter comprising:
- a shuttle body, conformed to move axially over a rotating shaft;
- a projection extending from the shuttle body toward the axis of said rotating shaft to engage a cam groove formed in the surface of said shaft;
- at least one follower member;
- biasing means for biasing said follower member against said shuttle body and in an axial direction, said follower member having a stop engaging surface thereon whereby said follower member upon the engagement of said engaging surface with a stop member will cease to translate and said shuttle body will continue to translate and said biasing means will provide a force through said follower member against said stop member.
1 more element
Dependencies are inferred from the claim text.