초록 ▼

A seal head assembly includes a case. A ferrule is seated against the case. A spring is seated at one end against the ferrule. A spring seat receives a second end of the spring. The retainer ring has a band and a plurality of tabs, wherein the band engages the spring seat. A metal bellows has a firs

A seal head assembly includes a case. A ferrule is seated against the case. A spring is seated at one end against the ferrule. A spring seat receives a second end of the spring. The retainer ring has a band and a plurality of tabs, wherein the band engages the spring seat. A metal bellows has a first end in contact with the case and a second end having a contact surface for the tabs of the retainer ring. A seal washer has an annular groove, wherein the seal washer is received in the second end of the metal bellows. A seal is received in the annular groove of the seal washer.

대표청구항 ▼

1. A seal head assembly comprising:a case;a ferrule seated against the case;a spring seated at one end against the ferrule;a spring seat receiving a second end of the spring;a retainer ring having a band and a plurality of tabs, wherein the band engages the spring seat,a metal bellows having a first

1. A seal head assembly comprising:a case;a ferrule seated against the case;a spring seated at one end against the ferrule;a spring seat receiving a second end of the spring;a retainer ring having a band and a plurality of tabs, wherein the band engages the spring seat,a metal bellows having a first end into contact with the case and a second end having a contact surface for the tabs of the retainer ring;a seal washer having an annular groove, wherein the seal washer is received in the second end of the metal bellows; anda seal received in the annular groove of the seal washer. 2. The seal head assembly specified in claim 1 wherein the retainer ring includes a gap formed band to permit expansion and contraction of the retainer ring. 3. The seal head assembly specified in claim 1 wherein the band of the retainer ring is tapered. 4. The seal head assembly specified in claim 1 wherein the spring seat includes an inwardly radiating flange that seats the annular band. 5. The seal head assembly specified in claim 1 wherein the metal bellows includes a plurality of flats mated with a plurality of flats on seal washer to provide a direct drive between the metal bellows and the seal washer. 6. The seal head assembly specified in claim 1 wherein the seal is an O-ring. 7. A seal assembly comprising:a seal head subassembly includinga case;a ferrule seated against the case;a spring seated at one end against the ferrule;a spring seat receiving a second end of the spring;a retainer ring having a band and a plurality of tabs, wherein the band engages the spring seat,a metal bellows having a first end into contact with the case and a second end having a contact surface for the tabs of the retainer ring;a seal washer having an annular groove, wherein the seal washer is received in the second end of the metal bellows; anda seal received in the annular groove of the seal washer; anda seal seat subassembly pressed into the seal head subassembly. 8. The seal assembly specified in claim 7 wherein the seal seat subassembly includes a cup gasket, a mating ring, and a sleeve. 9. The seal assembly specified in claim 7 wherein the retainer ring includes a gap formed band to permit expansion and contraction of the retainer ring. 10. The seal assembly specified in claim 7 wherein the band of the retainer ring is tapered. 11. The seal assembly specified in claim 7 wherein the spring seat includes an inwardly radiating flange that seats the annular band. 12. The seal head assembly specified in claim 7 wherein the metal bellows includes a plurality of flats mated with a plurality of flats on seal washer to provide a direct drive between the metal bellows and the seal washer. 13. The seal assembly specified in claim 7 wherein the seal is an O-ring.