Lever And Nontorsion Spring Patents (Class 267/228)
- Quadrilateral suspension (Class 267/230)
- And coil spring (Class 267/231)
- And fluid pressure spring (Class 267/241)
- Including adjustment for spring loading (Class 267/242)
- And roller or bearing to accommodate deflection of spring (Class 267/243)
- Vertically spaced leaf springs (e.g., elliptic) (Class 267/244)
- Having serially pivoted levers at end of spring (Class 267/245)
- Transverse leaf spring (Class 267/246)
- Center acting or resiliently biased lever (Class 267/247)