subject: Some Roles Of The Clevis And Rod Ends That Most Of The People Don't Know [print this page] 1. The clevis connection of claim 6 wherein said clevis pin comprises a bolt having a threaded end extending outwardly beyond said one clevis arm and a bolt head at the other end of said bolt, nut means threadedly engaging said threaded end for tensioning said bolt, and transfer means for transferring a tension load from said bolt to said bushing for urging said shoulder against said connecting lug.
2. A clevis connection comprising a clevis member including first and second clevis arms, a connecting member having a connecting lug received between said clevis arms, a bolt extending through respective first and second openings in said first and second clevis arms and through a third opening in said connecting lug, a bushing surrounding said bolt, said bushing having a sleeve portion extending through said third opening in said connecting lug and into said first opening in said first clevis arm, said bushing having an enlarged shoulder extending into said second opening in said second clevis arm, said shoulder having an inner end face radially overlapping one side of said connecting lug, and means for urging said shoulder against said one side of said connecting lug to clamp said connecting lug against an interior surface of said first clevis arm.
3. The clevis connection of claim 3 wherein said means for urging said shoulder against said connecting lug includes said bolt which is tensioned to apply an axial force urging said shoulder towards said connecting lug, said bolt having a threaded end extending axially outwardly beyond said first clevis arm and a bolt head at the other end of said bolt, and nut means threadedly engaging said threaded end for tensioning said bolt, said collet means extending between said bolt head and shoulder for transferring the tension load on said bolt to said shoulder to urge said shoulder against said connecting lug and expand said bushing including said shoulder radially outwardly to pre-load said connecting lug and clevis member.
4. The clevis connection of claim 2 wherein said collet means also expands said shoulder into engagement with a wall of said second hole in said second clevis arm to cause a pre-stress on said wall of said second hole in said clevis member.
5. The clevis connection of claim 10 wherein said bolt head is located axially outwardly of said other clevis arm, and said insert extends into said third opening in said other clevis arm and into engagement with said shoulder.
6. A clevis connection comprising a clevis member including a pair of axially spaced clevis arms, a connecting member including a connecting lug received between said arms, a clevis pin extending through aligned openings in said clevis arms and connecting lug, means for pre-load clamping said connecting lug to an interior surface of one of said arms to eliminate lateral play, said means for pre-load clamping comprising a bushing surrounding said connecting pin, said bushing having a sleeve portion extending through a first opening in said connecting lug and into a second opening in said one clevis arm, said bushing having an enlarged shoulder extending into a third opening in the other of said clevis arms, said shoulder having an inner end face radially overlapping one side of said connecting lug, and means for urging said shoulder against said one side of said connecting lug to clamp said connecting lug against said interior surface of said one clevis arm, and means for causing a pre-stress on a wall of said first opening in said connecting lug.
7. The clevis connection of claim 1 further comprising an axial slot in said bushing extending the entire length of said shoulder and a portion of the length of said sleeve portion, said shoulder having a tapered opening therein, and collet means engageable with said tapered opening for expanding said sleeve portion into engagement with a surrounding wall of said third hole in said connecting lug to pre-stress said surrounding wall of said third hole in said connecting lug.
8. The clevis connection of claim 5 wherein said means for urging said shoulder against said one side of said connecting lug includes said clevis pin which is tensioned to apply an axial force urging said shoulder against said connecting lug.
9. The clevis connection of claim 7 wherein said sleeve portion of said bushing extends part way through said first opening in said one clevis arm.
10. The clevis connection of claim 7 wherein said transfer means comprises an insert between said shoulder and said bolt head.
11. The clevis connection of claim 9 wherein said shoulder extends part way through said third opening in said other clevis arm.
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