Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1979-11-05
1981-01-13
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 30, 277 33, 277 95, 277 97, 277188A, 277DIG9, 305 11, 301132, F16J 1550, F16J 1556
Patent
active
042445884
ABSTRACT:
PCT NO. PCT/US79/00943 Sec. 371 Date Nov. 5, 1979 Sec. 102(e) Date Nov. 5, 1979, PCT Filed Nov. 5, 1979.
A shear seal assembly (80) for sealing between two members (22,36) having limited relative motion therebetween has an inner sleeve (86), an outer sleeve (88), and an elastomeric member (90) connecting the sleeves (86,88). The inner sleeve (86) is in a press fit relationship with one of the members (22) and the outer sleeve (88) is in a press fit relationship with the other of the members (36). Thrust members (92,93) extending radially outwardly along the sides (94,96,98,99) of the seal assembly (80) control distortion thereof and prevent damage thereto. A protective member (93, 100) prevents the ingress of external contaminants and abrasives into the area to be sealed.
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patent: 2911840 (1959-11-01), Muller et al.
patent: 3094335 (1963-06-01), Shenk
patent: 3218107 (1965-11-01), Reinsma
patent: 3341259 (1967-09-01), Schulz et al.
patent: 3620578 (1971-11-01), Fix
patent: 3680924 (1972-08-01), Otto et al.
Caterpillar Tractor Co.
Walters Ralph E.
Ward, Jr. Robert S.
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