Patent US4700989A successfully refreshed from Google Patents.
US4700989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable seat, particularly a removable vehicle seat
Assignee: SABLE AND MATRA AUTOMOBILE
•
Filing: 1986-05-07
•
Granted: 1987-10-20
•
Expires: 2006-05-07
Abstract
Abstract A movable seat assembly, such as a removable vehicle seat, comprising a structure having front legs and rear legs, each of the legs including a fork member and arranged to co-operate with a fixed attachment rod of a frame. A movable lock member is provided on each leg and is used to lock the leg on the corresponding attachment rod. A return biasing means is provided for urging each of the lock members into its locked position, and manually operated means are provided for actuating each of the lock members into its unlocked position, against the return biasing means, in order to release the seat legs from the corresponding attachment rods.
Inventors
- 👤 Jose A. Ercilla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:17
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/10; B60N2/005; B60N2/015; B60N2/01508; B60N2/01516; B60N2/01583; B60N2/20; B60N2/206; B60N2/24; B60N2/30; B60N2/3002; B60N2/3004; B60N2/3009; B60N2/3013; B60N2/3038; B60N2/304; B60N2/3045; B60N2/305; B60N2/32; B60N2/36
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
274 words
A movable seat assembly suitable for use as a removable vehicle seat, said seat assembly comprising: seat structure having front seat legs and rear seat legs, each of said legs including a fork member cooperable with a fixed attachment rod of a frame supporting the seat assembly, said frame having an upper surface; a movable lock member on each said front seat leg and rear seat leg for locking said leg on the corresponding attachment rod; return biasing means for urging each of said lock members into a locked position on the corresponding attachment rod; manually operated means for actuating each of said lock members into an unlocked position, against said return biasing means in order to release the seat legs with respect to the corresponding attachment rod, said seat assembly being movable between a lowered position and an uptilted position, said manually operated means of the rear lock members being operable in any position of the seat assembly, said manually operated means of the front lock members being operable only when the seat assembly is in its said uptilted position, in order to prevent unlocking of said front seat legs when a passenger is seated on the seat assembly; a control rod system movable with respect to said seat structure and said frame during motion of the seat assembly between said lowered and uptilted positions, said control rod system comprising a stop member for locking said manually operated means of the front lock members when the seat assembly is not in its uptilted position, and for releasing said manually operated means of the front lock members when the assembly in its uptilted position.
Claim 2
Dependent Claim
274 words
A movable seat assembly suitable for use as a removable vehicle seat, said seat assembly comprising: seat structure having front seat legs and rear seat legs, each of said legs including a fork member cooperable with a fixed attachment rod of a frame supporting the seat assembly, said frame having an upper surface; a movable lock member on each said front seat leg and rear seat leg for locking said leg on the corresponding attachment rod; return biasing means for urging each of said lock members into a locked position on the corresponding attachment rod; manually operated means for actuating each of said lock members into an unlocked position, against said return biasing means in order to release the seat legs with respect to the corresponding attachment rod, said seat assembly being movable between a lowered position and an uptilted position, said manually operated means of the rear lock members being operable in any position of the seat assembly, said manually operated means of the front lock members being operable only when the seat assembly is in its said uptilted position, in order to prevent unlocking of said front seat legs when a passenger is seated on the seat assembly; a control rod system movable with respect to said seat structure and said frame during motion of the seat assembly between said lowered and uptilted positions, said control rod system comprising a stop member for locking said manually operated means of the front lock members when the seat assembly is not in its uptilted position, and for releasing said manually operated means of the front lock members when the assembly in its uptilted position.
Claim 3
Dependent Claim
76 words
A seat assembly according to claim 1, and further including a pad member hinged onto the front leg and a bar bearing said stop member, said pad member having a front surface in sliding contact with said upper surface of said frame, to move said bar with respect to said manually operated means of the front lock members, thereby releasing said stop member from said manually operated means as said assembly moves to its uptilted position.
Claim 4
Dependent Claim
48 words
A seat assembly according to claim 2, wherein said front legs are fixed with respect to said seat structure, while said rear legs each comprise a hinged lever arranged on said seat structure for retracting along said structure when said seat assembly is brought into its uptilted position.
Claim 5
Dependent Claim
20 words
A seat assembly according to claim 3, wherein said hinged lever forming the rear leg is hinged onto said bar.
Claim 6
Dependent Claim
30 words
A seat assembly according to claim 1, wherein said front lock members are connected through a transverse control rod, said transverse control rod being reachable from underneath said seat structure.
Claim 7
Dependent Claim
48 words
A seat assembly according to claim 1, wherein said rear lock members are connected through a transverse control rod, and at least one of the rear legs bearing a handle for manual control of said rear lock members, said handle being reachable laterally of said rear lock members.
Claim 8
Dependent Claim
34 words
A seat assembly according to claim 6, wherein a strap is hooked onto said transverse control rod and extends rearwardly of the seat assembly, for controlling the rear lock members rearwardly of the seat.
Claim 9
Dependent Claim
42 words
A seat assembly according to claim 1, wherein said front lock members and rear lock members include engagement ramps for automatically retracting said lock members against their return biasing means when the seat assembly is brought into position on its attachment rods.
Claim 10
Dependent Claim
29 words
A seat assembly according to claim 1, wherein said seat comprises no removable part when moved to its uptilted position or when it is disengaged from said attachment rods.
Claim 11
Dependent Claim
41 words
A seat assembly according to claim 1, wherein said attachment rods are arranged within cavities provided below the level of said upper surface of said frame, thereby ensuring a flush upper surface on said frame when the seat assembly is removed.
Claim 12
Dependent Claim
49 words
A seat assembly according to claim 1, wherein the front legs are connectable with the rear leg attachment rods and the rear legs are connectable with the front leg attachment rods, for mounting the seat assembly either facing forward or rearward in relation to the front of the vehicle.
Claim 13
Dependent Claim
74 words
A seat assembly according to claim 1, and further including a back portion structure hingedly mounted on said seat structure, said back portion structure including a lock member for maintaining said back portion structure in an appropriate resting position for a passenger, said back portion lock member bearing a control handle for releasing said back portion lock member, said handle operating against a return spring which normally urges said handle into a locked position.
Claim 14
Dependent Claim
65 words
A seat assembly according to claim 12, wherein said back portion lock member defines an upright position of said back portion structure and cooperates with a finger which is movable together with said back portion structure, said finger being provided with adjustment means for adjusting the position of said finger on said back portion structure, thereby adjusting said upright position of said back portion structure.
Claim 15
Dependent Claim
31 words
A seat assembly according to claim 13, wherein adjustable stop means are provided for defining a travel limit of said back portion structure when said back portion structure is folded down.
Claim 16
Dependent Claim
33 words
A seat assembly according to claim 14, wherein said adjustable stop means comprise an adjustable stop member cooperable with said finger at said travel limit when said back portion structure is folded down.
Claim 17
Dependent Claim
17 words
A seat assembly according to claim 15, wherein said adjustable stop member is fabricated from plastics material.
References Cited (Backward Citations)
DE1131530B
Cited
US3328077A
Cited
US3398987A
Cited
US3880464A
Cited
US3915493A
Cited
US4268086A
Cited
US4318569A
Cited
JPS554249A
Cited
US4169626A
Cited
FR2449552A1
Cited
GB2041064A
Cited
US4316633A
Cited
JPS55164532A
Cited
EP0022691A1
Cited
GB2065761A
Cited
US4372610A
Cited
US4484779A
Cited
US4484776A
Cited
JPS5885730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-19 | 1991-04-20 | 1991-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-19 | 1995-04-20 | 1995-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-19 | 1999-04-20 | 1999-10-20 | $7700.00 | Window Closed / Lapsed |