Machine element or mechanism – Mechanical movements – Reciprocating to reciprocating
Reexamination Certificate
2011-01-25
2011-01-25
Joyce, William C (Department: 3656)
Machine element or mechanism
Mechanical movements
Reciprocating to reciprocating
C074S469000, C248S571000
Reexamination Certificate
active
07874223
ABSTRACT:
Constant force mechanisms and adjustable constant force mechanisms are described having two movable sliders constrained along two perpendicular axes and each abutting a resilient member. The mechanisms are adapted to produce an output force that is constant for a given input force. However, when an equilibrium position of one of the two resilient members is adjusted for a given mechanism, a different output force will result. Micro-compliant mechanisms are also described in which the resilient members may be made from one or more different elastomers.
REFERENCES:
patent: 5099708 (1992-03-01), Chung
patent: 5678468 (1997-10-01), Lozano Bonet et al.
patent: 5890524 (1999-04-01), Tucker et al.
patent: 6502671 (2003-01-01), Hayford et al.
Nahar Dhiraj R.
Sugar Thomas
Connolly Bove & Lodge & Hutz LLP
Joyce William C
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