Frameless railcar passenger seat
OwnerJon Laneinventor
Life of this patent
Estimating the term…
Abstract
A frameless rail passenger seat having support members acting as sole support of the seat cushion frame and the seat back frame and being secured to the floor of a passenger rail car. The seat back frame is mounted on a pair of rotatably mounted shafts to allow the seat back to assume two opposing seat positions. A pair of link members are operatively connected to the pair of shafts and pivotally attached to the seat cushion frame, and have cam surfaces to engage a cam follower. Pins on the link members contact link members for support of one link member in each of the two seat positions.
Claims21
A passenger seat assembly mounted on a floor of rail car comprising
- a seat cushion frame extending between spaced opposed sides,
- means for solely supporting said seat cushion frame on the floor of the passenger rail car,
- said means for solely supporting said seat cushion frame including a horizontal bottom member having a lower surface contacting the floor of the passenger rail car;
- and
- securement means extending through said bottom member for securing said means for solely supporting said seat cushion to the floor of the rail car.
A passenger seat assembly comprising support means for supporting a seat cushion frame,
- a pair of shafts being rotatably mounted on said support means,
- cam assembly means being affixed to said pair of shafts and being pivotally attached to said seat cushion frame,
- said cam assembly means having a pair of linkage members being fixedly connected to said shaft means and pivot ally attached to said seat cushion frame, and
- said cam assembly means having a pair of cam followers being respectively affixed to one of said pair of shafts for respectively contacting said pair of linkage members during rotation of said pair of shafts.
A passenger seat assembly comprising,
- support means for supporting a seat cushion frame,
- a pair of shafts being rotatably mounted on said support means,
- cam assembly means being affixed to said pair of shafts and being pivotally attached to said seat cushion frame,
- said cam assembly means having a pair of linkage members fixedly connected to said shaft means and pivotally attached to said seat cushion frame,
- said linkage members being respectively moveable to first and second positions in response to rotation of said pair of shafts, and
- said seat cushion frame and said pair of linkage members having cooperating stop surfaces for restraining a respective one of said linkage members in said first position and said second position.
Dependencies are inferred from the claim text.