US3722914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slider mount for fifth wheels
Assignee: Dayton Steel Foundry Co
•
Filing: 1971-06-10
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Granted: 1973-03-27
•
Expires: 1991-06-10
Abstract
Abstract Slider mount to adjust position of fifth wheel coupler assembly with power operated locking mechanism. Coupler mounting trunnions are carried medially of transverse double span slides moving on parallel composite rail members. Locking mechanism carried on the support member beneath the trunnions includes reciprocating plungers having angulated locking faces selectively engaging correspondingly shaped notches formed integrally in the rail members.
Inventors
- 👤 W Walther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:07
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
A slider mount (10) having two parallel rail members (11), a double span slider (12) carried by said rail members, a locking mechanism (15) on said slider including reciprocating lockiNg plungers (17) and locking notches (18) on said rails, said locking plungers being movable inside out into selective engagement with said notches, said locking plungers each having opposed angulated locking faces with lead faces (60) converging at an angle of substantially 15* from trailing faces (61) lying in a plane transverse to the orientation of said rail members, said locking notches each having correspondingly shaped faces (62 and 63).
Claim 2
Dependent Claim
99 words
A slider mount (10) having two parallel rail members (11), a double span slider (12) carried by said rail members, a locking mechanism (15) on said slider including reciprocating lockiNg plungers (17) and locking notches (18) on said rails, said locking plungers being movable inside out into selective engagement with said notches, said locking plungers each having opposed angulated locking faces with lead faces (60) converging at an angle of substantially 15* from trailing faces (61) lying in a plane transverse to the orientation of said rail members, said locking notches each having correspondingly shaped faces (62 and 63).
Claim 3
Dependent Claim
41 words
A slider mount according to claim 1 wherein said locking notches have a relieved portion (64) to provide an absence of contact with the entry face (65) of a locking plunger compensating for wear of said locking faces and locking notches.
Claim 4
Dependent Claim
51 words
A slider mount according to claim 1 wherein said rail members are composite structures having a vertical web plate (20) with a laterally directed flange (21) carrying a horizontal cap plate (22), the locking notches being integrally formed on the inner face of said web plate flange and said cap plate.
References Cited (Backward Citations)
US2589678A
Cited
US2985463A
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US3030125A
Cited
US3170716A
Cited
US3339941A
Cited
US3606384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |