DE4131598C2 - - Google Patents

Info

Publication number
DE4131598C2
DE4131598C2 DE19914131598 DE4131598A DE4131598C2 DE 4131598 C2 DE4131598 C2 DE 4131598C2 DE 19914131598 DE19914131598 DE 19914131598 DE 4131598 A DE4131598 A DE 4131598A DE 4131598 C2 DE4131598 C2 DE 4131598C2
Authority
DE
Germany
Prior art keywords
guide element
scale
housing
spring
rail
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 - Fee Related
Application number
DE19914131598
Other languages
German (de)
English (en)
Other versions
DE4131598A1 (de
Inventor
Thomas O-2510 Rostock De Altrichter
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
Priority to DE19914131598 priority Critical patent/DE4131598A1/de
Publication of DE4131598A1 publication Critical patent/DE4131598A1/de
Application granted granted Critical
Publication of DE4131598C2 publication Critical patent/DE4131598C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C15/00—Generating random numbers; Lottery apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
DE19914131598 1991-09-23 1991-09-23 Lehrmittel zur simulation zufaelliger vorgaenge Granted DE4131598A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914131598 DE4131598A1 (de) 1991-09-23 1991-09-23 Lehrmittel zur simulation zufaelliger vorgaenge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914131598 DE4131598A1 (de) 1991-09-23 1991-09-23 Lehrmittel zur simulation zufaelliger vorgaenge

Publications (2)

Publication Number Publication Date
DE4131598A1 DE4131598A1 (de) 1992-05-14
DE4131598C2 true DE4131598C2 (enrdf_load_stackoverflow) 1993-07-22

Family

ID=6441251

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914131598 Granted DE4131598A1 (de) 1991-09-23 1991-09-23 Lehrmittel zur simulation zufaelliger vorgaenge

Country Status (1)

Country Link
DE (1) DE4131598A1 (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838851A (en) * 1954-01-26 1958-06-17 Lusser Robert Device for demonstrating mathematical probability
US3348028A (en) * 1963-05-17 1967-10-17 Education Methods Council Inc Card-retaining matrix drum for statistical machines
DE8804360U1 (de) * 1988-03-31 1988-08-11 Paulus, Martin, 8059 Walpertskirchen Vorrichtung zur zufallsabhängigen Ziehung von Zahlenkugeln
US4900255A (en) * 1989-01-06 1990-02-13 Laghi Aldo A For two-stage Quincunx

Also Published As

Publication number Publication date
DE4131598A1 (de) 1992-05-14

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
OP8 Request for examination as to paragraph 44 patent law
OR8 Request for search as to paragraph 43 lit. 1 sentence 1 patent law
8122 Nonbinding interest in granting licenses declared
8105 Search report available
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee