Geometrical instruments
Patent
1984-02-21
1985-06-25
McQuade, John
Geometrical instruments
339 75M, H01R 13631
Patent
active
045250162
ABSTRACT:
The test probe has a movable sleeve located around a tubular body for axial movement to forward and rearward positions to cause latches to be moved to latching and unlatching positions respectively. A tubular member is coupled to the tubular body rearward of the movable sleeve at a position such that its forward end is spaced from the rear end of the movable sleeve when it is moved to its forward position. A ring shaped member is located around the tubular body and is coupled by keys and slots to the rear end of the movable sleeve for axial movement therewith. The keys and slots allow the ring shaped member to be moved transversely to the axis of the tubular body to locking and unlocking positions. The ring shaped member may be moved to its locking position when the movable sleeve is in its forward position to lock the movable sleeve in this position. The ring shaped member may be moved to its unlocking position to allow the movable sleeve to be moved to its forward and rearward positions.
REFERENCES:
patent: Re28328 (1975-02-01), Williams
patent: 3224800 (1965-12-01), Fisher
patent: 3505635 (1970-04-01), Williams
McQuade John
Zobal Arthur F.
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