FR427416A - School benches with center bar, adjustable spacing and height - Google Patents

School benches with center bar, adjustable spacing and height

Info

Publication number
FR427416A
FR427416A FR427416A FR427416DA FR427416A FR 427416 A FR427416 A FR 427416A FR 427416 A FR427416 A FR 427416A FR 427416D A FR427416D A FR 427416DA FR 427416 A FR427416 A FR 427416A
Authority
FR
France
Prior art keywords
height
center bar
adjustable spacing
benches
school
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.)
Expired
Application number
FR427416A
Other languages
French (fr)
Inventor
Ludwig Voss
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR427416A publication Critical patent/FR427416A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
FR427416A 1910-03-17 1911-03-16 School benches with center bar, adjustable spacing and height Expired FR427416A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE427416X 1910-03-17

Publications (1)

Publication Number Publication Date
FR427416A true FR427416A (en) 1911-08-03

Family

ID=6477310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR427416A Expired FR427416A (en) 1910-03-17 1911-03-16 School benches with center bar, adjustable spacing and height

Country Status (2)

Country Link
FR (1) FR427416A (en)
GB (1) GB427416A (en)

Also Published As

Publication number Publication date
GB427416A (en) 1935-04-23

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