Linear actuator, coupling and method

Details Linear actuator, coupling and method Linear actuator, coupling and method

1998-02-06

2000-06-13

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744248R, 403340, 403372, 464 88, F16H 2520, F16D 352

Patent

active

060735058

ABSTRACT:
A coupling includes a sleeve (E) engaged to a lead screw .COPYRGT. on one end and to a power take-off shaft from an electric motor (D) on the other end. The lead screw (C) extends into an elongated housing (A) and is threadably received for rotation within a piston (B). An insert (F) is mounted in the sleeve (E) for maintaining respective opposite overlapping ends (G) of the lead screw and the power take-off shaft. The insert is constructed of machinable plastic capable of compensating for slight misalignment while providing resiliency and reduced problems resulting from thermal expansion and contraction of the parts.

REFERENCES:
patent: 3057647 (1962-10-01), Wood
patent: 3298197 (1967-01-01), Roth
patent: 4352585 (1982-10-01), Spalding
patent: 4598238 (1986-07-01), Scarano
patent: 5143477 (1992-09-01), Kanehira et al.
patent: 5319991 (1994-06-01), Pierrat
patent: 5852949 (1998-12-01), Cartensen

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