Patent · US Active

Emergency air spring assembly

US11287006B2 · kind B2 · utility

0Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 2018
Grant dateMar 29, 2022
Priority date
Expiry dateFeb 3, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F9/0454
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An emergency air spring assembly includes an upper cover plate, an air bag, an upper end plate and a lower end plate. An outer periphery of the upper end plate is connected with an outer periphery of the lower end plate through the air bag. An hourglass elastomer is connected between the upper cover plate and the upper end plate. A plurality of steel springs are arranged between the upper cover plate and the upper end plate in a circumferential direction of the sand clock elastomer in a pressing mode.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.