Patent US3572828A successfully refreshed from Google Patents.
US3572828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat for vehicle preferably agricultural vehicle
Assignee: Individual
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Filing: 1968-10-21
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Granted: 1971-03-30
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Expires: 1988-10-21
Abstract
Abstract The seat comprises an L-shaped carrying frame for the seat upholstery and an L-shaped mounting frame for connecting the seat to the vehicle. The mounting frame has a rear part which forms a track for rollers carried by the carrying frame. The seat also comprises a rocker arm, which is disposed under the seat proper, and a spring mounting consisting of resilient elements and a vibration damper. The rocker arm is pivoted to the mounting frame and to the seat proper at the forward ends thereof, and the spring mounting elements are connected at one end to the rear part of the mounting frame and at the other end to a short compensating rocker arm, which is pivoted at one end to the rear part of the mounting frame and at the other end by a roller to a track, which is provided on that part of the carrying frame which is near the seat proper.
Inventors
- 👤 Wilhelm Lehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:58
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; A; A47; A47C; A47C31/00; B60N2/02; B60N2/04; B60N2/045; B60N2/504; B60N2/505; B60N2/506; B60N2/507; B60N2/54; B60N2/544; B60N2/58
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
181 words
A vehicle swing seat, particularly for agricultural vehicles, said swing seat comprising: a seat proper; a seat back; a mounting frame extending behind said seat back and substantially parallel thereto, said mounting frame serving to connect the swing seat to its associated vehicles; a plurality of guide elements connected to said seat back; guide track means in said mounting frame for guiding said guide elements during upward and downward movement of said swing seat; a first swing shaft arranged below said seat proper for pivotally connecting the front region of the seat proper to the bottom region of said mounting frame; and a second swing shaft for pivotally connecting the rear region of the seat proper to said mounting frame; at least one spring element, the upper end of which is fastened to said mounting frame and the lower end of which is fastened to said second swing shaft; and a guide path arranged on said seat proper for guiding the end of said second swing shaft associated with the rear region of the seat proper for both rotation and translation.
Claim 2
Dependent Claim
181 words
A vehicle swing seat, particularly for agricultural vehicles, said swing seat comprising: a seat proper; a seat back; a mounting frame extending behind said seat back and substantially parallel thereto, said mounting frame serving to connect the swing seat to its associated vehicles; a plurality of guide elements connected to said seat back; guide track means in said mounting frame for guiding said guide elements during upward and downward movement of said swing seat; a first swing shaft arranged below said seat proper for pivotally connecting the front region of the seat proper to the bottom region of said mounting frame; and a second swing shaft for pivotally connecting the rear region of the seat proper to said mounting frame; at least one spring element, the upper end of which is fastened to said mounting frame and the lower end of which is fastened to said second swing shaft; and a guide path arranged on said seat proper for guiding the end of said second swing shaft associated with the rear region of the seat proper for both rotation and translation.
Claim 3
Dependent Claim
33 words
A vehicle swing seat according to claim 1, in which the ends of said first and second swing shafts associated with said mounting frame lie in two horizontal planes, one above the other.
Claim 4
Dependent Claim
46 words
A vehicle swing seat according to claim 1, wherein the mounting frame is in the form of a hollow box; and wherein said guide elements are in the form of plastic rollers rotatably connected to said seat back; said hollow box defining the guide track means.
Claim 5
Dependent Claim
30 words
A vehicle swing seat according to claim 3, and further comprising an L-shaped frame member for stiffening said seat back, said plastic rollers being rotatably connected to said frame member.
Claim 6
Dependent Claim
40 words
A vehicle swing seat according to claim 1, and further comprising a roller rotatably fasteneD to the end of said second swing shaft associated with said seat proper, said roller adapted to roll in said guide path upon displacement thereof.
Claim 7
Dependent Claim
113 words
A vehicle swing seat according to claim 1, and further comprising a U-shaped support provided on the rear side of said mounting frame, the legs of said support extending through a pair of slots defined in said mounting frame and in a direction substantially transverse to the direction of movement of said guide elements, the legs extending into said mounting frame from the rear thereof; a threaded spindle associated with and screwed into said U-shaped support; means for rotating said spindle from outside said mounting frame, thereby screwing same into or out of said support; and means for connecting the upper end of said spring elements to the legs of the U-shaped support.
Claim 8
Dependent Claim
100 words
A vehicle swing seat according to claim 1, wherein the lower edges of said mounting frame are bent in an L-shape in a direction towards each other, and further comprising a baseplate where edges define complementary rails, which rails are bent in an L-shape away from each other, the lower edges of said baseplate associated with said rails and being displaceable therein in a longitudinal direction; a threaded rod extending transversely to and connecting the lower edges of said baseplate; and a nut screwed on the threaded rod for clamping the lower edges of the baseplate to the L-shaped rails.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |