Robert Hart Milner

US Patent:

56260547, May 6, 1997

Filed:

Sep 11, 1995

Appl. No.:

8/526683

Inventors:

Michael E. Rembert - Cypress TX
Robert W. Milner - Katy TX

Assignee:

Bettis Corporation - Waller TX

International Classification:

F16H 2122

US Classification:

74104

Abstract:

Device for absorbing lateral forces generated as a result of a linearly reciprocating pin causing rotation of a scotch yoke, the device including a guide block guided along a guide rod, the guide block carrying a yoke engaging pin as well as having opposed connector-receiving cavities; connectors linking each cavity with opposed rod members, each connector having opposed curved surfaces and one or more flats intermediate adjacent such surfaces, the guide block positioning a plurality of annular members each having an arcuate surface slidably receiving one such curved surface, said block also including a locking device for engagement with each connector flat.

US Patent:

56011105, Feb 11, 1997

Filed:

Sep 11, 1995

Appl. No.:

8/526353

Inventors:

Michael E. Rembert - Cypress TX
Robert W. Milner - Katy TX

Assignee:

Bettis Corporation - Waller TX

International Classification:

F16K 4300
F01B 2900
F01B 3100

US Classification:

137316

Abstract:

A device used in an actuator for locking in place a spring module while under load, the device including a spring return cylinder carrying a spring under compression when under load, a spring guide, a pull rod linked to a piston in a power cylinder, and a connection linking the pull rod and the spring guide, the connection being disengageable when said spring is not under compression, but not so when under compression.