CA2062043A1 - Hydraulic-pneumatic cushioning device with pressure indicator - Google Patents

Hydraulic-pneumatic cushioning device with pressure indicator

Info

Publication number
CA2062043A1
CA2062043A1 CA 2062043 CA2062043A CA2062043A1 CA 2062043 A1 CA2062043 A1 CA 2062043A1 CA 2062043 CA2062043 CA 2062043 CA 2062043 A CA2062043 A CA 2062043A CA 2062043 A1 CA2062043 A1 CA 2062043A1
Authority
CA
Canada
Prior art keywords
cushioning device
hydraulic
pressure indicator
pneumatic cushioning
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2062043
Other languages
French (fr)
Other versions
CA2062043C (en
Inventor
Mark P. Scott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keystone Industries Inc
Original Assignee
KEYSTONE RAILWAY EQUIPMENT COMPANY Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KEYSTONE RAILWAY EQUIPMENT COMPANY Inc filed Critical KEYSTONE RAILWAY EQUIPMENT COMPANY Inc
Publication of CA2062043A1 publication Critical patent/CA2062043A1/en
Application granted granted Critical
Publication of CA2062043C publication Critical patent/CA2062043C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Damping Devices (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

A hydraulic--pneumatic cushioning device including a pressure indicator mounted on the device or remote from the device and connected to the pressure chamber within the cushioning device.
The indicator includes a recess and a small pin extending into the recess. The position of the pin relative to the recess provides a tactile indication of the condition of the cushioning device.
CA 2062043 1992-01-24 1992-02-28 Hydraulic-pneumatic cushioning device with pressure indicator Expired - Lifetime CA2062043C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83550692A 1992-01-24 1992-01-24
US835,506 1992-01-24

Publications (2)

Publication Number Publication Date
CA2062043A1 true CA2062043A1 (en) 1993-07-25
CA2062043C CA2062043C (en) 1999-07-13

Family

ID=25269679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2062043 Expired - Lifetime CA2062043C (en) 1992-01-24 1992-02-28 Hydraulic-pneumatic cushioning device with pressure indicator

Country Status (1)

Country Link
CA (1) CA2062043C (en)

Also Published As

Publication number Publication date
CA2062043C (en) 1999-07-13

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry