US 5,988,043 A · Modulator adjustment device

Abstract

A modulator adjustment device (10) including a generally cylindrical body (36, 37) having cavities formed at opposite ends thereof and a dial wheel (32) extending radially outwardly and circumscribing the body, a rotatable coupling (48) disposed in the cavity at one end of the body for sealingly engaging the vacuum fitting (20) of a modulator or the like, and a tube fitting (38) rotatably disposed within the cavity (35) at the other end of the body and having a distal end to which a vacuum tube (12) may be coupled. Suitable means are provided along the axis of the body for drivably engaging the adjustment screw (22) of the modulator. In one embodiment, such means includes an appropriately configured opening (20) for receiving and mating with the drive screw (22), and in a second embodiment the means includes a spring loaded screwdriver device (84) for drivably engaging a slot or socket in the end of the adjustment screw.

Claims15

Dependent claims

An adjustment device for vacuum modulators including a spring loaded diaphragm having an adjustment screw extending through a input fitting to which a vacuum tube is coupled, comprising:

an elongated outer housing rotatable about an axis and having means forming a communicative passageway between a first end and a second end;
first means disposed proximate said first end and along said axis for sealingly engaging the vacuum input fitting of the modulator;
second means disposed proximate said second end and to which the vacuum tube is connected;
and means for drivably engaging the adjustment screw of the modulator, said housing being rotatable relative to said first and second means.

1 more element

Dependencies are inferred from the claim text.

Modulator adjustment device

Life of this patent

Modulator adjustment device

Life of this patent

Abstract

Claims15