F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/207, 277/27
F16H 25/20 (2006.01) F16H 25/24 (2006.01) F16J 15/16 (2006.01)
Patent
CA 1072779
In re application of Jerry G. Jelinek For: SEAL FOR BALL BEARING SCREWS AND THE LIKE ABSTRACT OF THE DISCLOSURE A seal for a ball bearing screw and the like comprising a ring or elastomeric material axially and angularly fixed to the nut so that an internal projection from the bore of the ring makes sliding sealed engagement with a line or a circumferentially narrow band of the thread groove of the screw from crest to crest thereof, and so that an internal one-turn helical rib from the bore of the ring makes sliding sealed engagement with the crest of the thread of said screw from one side of said projection to the opposite side thereof. The seal herein is further characterized in that the aforesaid internal projection is of circular cross section for sliding sealing engagement with a thread groove of any helix angle. The seal herein is yet further characterized in that in the case of a screw having a thread with a relatively wide crest, the aforesaid one-turn internal rib is engaged along the middle of the crest and terminates in rib portions which extend toward each other and are joined to opposite sides of the aforesaid in- ternal projection.
284513
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