Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible
Patent
1988-10-17
1989-05-09
Walton, George L.
Fluid handling
Destructible or deformable element controlled
Heat destructible or fusible
137 77, 251 14, 251 636, 251297, F16K 1738, F16K 3164
Patent
active
048279633
ABSTRACT:
The improved shaft locking apparatus includes a body with a bore therethrough and includes balls mounted in radial ports in said body so that in one position the balls partially extend into the bore and in restricting the bore lock a shaft associated with the apparatus from axial movement. A heat sensitive material is used as a part of the balls supporting means and when it is subjected to excessive heat, heat above its design limitations, its support of the balls relaxes and allows their retraction from the bore to thereby allow axial movement of the shaft. In one form of the invention the shaft extends into the bore of the annular body and the balls engage the end of the shaft to support it against axial movement and in another form a rod extension is positioned in the bore of the annular body and includes external ball receiving recesses which prevent movement of the rod extension when the balls are in engagement with such recesses and allows movement responsive to the relaxation of the ball support when exposed to excessive heat conditions, the shaft which is supported by the rod extension is then allowed to move axially responsive to the ball retractions.
REFERENCES:
patent: 2209133 (1940-07-01), Parker
patent: 2209134 (1940-07-01), Parker
patent: 3838705 (1974-10-01), Diehl et al.
patent: 3842853 (1974-10-01), Kelly et al.
patent: 3842854 (1974-10-01), Wicke
patent: 3896835 (1975-07-01), Wicke
patent: 4214600 (1980-07-01), Williams et al.
patent: 4245662 (1981-01-01), McGee
patent: 4260132 (1981-04-01), Habiger
patent: 4421134 (1983-12-01), Bruton et al.
patent: 4619434 (1986-10-01), Snyder
patent: 4635670 (1987-01-01), Kilmoyer
Baker Gerald S.
Mefford David R.
Cameron Iron Works USA Inc.
Walton George L.
LandOfFree
Heat sensitive shaft locking apparatus and valve using same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Heat sensitive shaft locking apparatus and valve using same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat sensitive shaft locking apparatus and valve using same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-82453