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A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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| Number | Title | Issue Date |
| 5193785 | Extensible boom mechanism for use with mobile cable salvage apparatus An extensible mechanism, in which a first hydraulic cylinder and piston has a fixed reference for movement in an extension direction and also in a retraction direction. A second hydraulic cylinder and piston is moveable in both of these directions. Hydrau... | 03/16/1993 |
| 4864917 | Rotary cylinder displacement mechanism A one moving part, bi-directional rotary displacement mechanism for conveying rotational movement about an axis to movable members in flight vehicles. In consists of an enclosure having bi-directional rotation capability, encapsulating a vane with bi-dire... | 09/12/1989 |
| 4753071 | Self-powered rotating-cylinder type linear actuator utilizing rotation-generated centrifugal head for piston positioning Conventional piston-cylinder hydraulic actuators require external pressure sources. The hydraulic actuator disclosed utilizes the centrifugal head developed in its chambers. The piston (36) is attached to shaft extension (24) which is splined to the actua... | 06/28/1988 |
| 4741246 | Stage selectable telescopic cylinder assembly A multiple stage telescoping cylinder assembly, which provides full stage selection capability without the need for external hoses or reels, comprises a base; an inner cylinder attached at its rearward end to the base and first and second stage cylinders ... | 05/03/1988 |
