Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Releasably captive nut or bolt
Patent
1989-03-06
1990-01-23
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Releasably captive nut or bolt
403362, 411324, B25G 300
Patent
active
048954691
ABSTRACT:
A transmission shift yoke (3) (see FIG. 2) has to slide over the shift bar (1) and then be anchored accurately in the desired position by a fastener, i.e., set screw or bolt (8). The set screw must be locked to prevent its loss or more seriously its falling into machinery. A expansible snap ring (10) is arranged on a spotface (11) in a recess (12) in the bar; it is expanded by the tapered shank (14) of the fastener (8) and then snaps into a waist (19) of the fastener to prevent its being readily unscrewed more than half a turn or so. A really robust torque, however, on the head (9) by means of a spanner/wrench will forcibly expand the snap ring out of the waist (19) and over the widest part of the tapered shank (13).
REFERENCES:
patent: 4470735 (1984-09-01), Salisbury
Eaton Corporation
Gordon H. D.
Kundrat Andrew V.
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