Leadscrew drive with annular-shell leadscrew

Details Leadscrew drive with annular-shell leadscrew Leadscrew drive with annular-shell leadscrew

2004-03-29

2009-08-25

Joyce, William C (Department: 3656)

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

C074S424710

Reexamination Certificate

active

07578211

ABSTRACT:
A leadscrew drive has a leadscrew follower, and a leadscrew. The leadscrew is formed as an elongated annular leadscrew shell having a thread-form outer surface. The leadscrew may be fabricated by depositing a leadscrew-shell material, such as nickel, onto a mandrel having a thread-form outer surface, so that the thread-form outer surface of the mandrel is replicated in an outer surface of the leadscrew-shell material. The mandrel may be removed, to leave a hollow leadscrew shell, or left in place.

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