FR512790A - Perfectionnements apportés aux machines à écrire - Google Patents
Perfectionnements apportés aux machines à écrireInfo
- Publication number
- FR512790A FR512790A FR512790A FR512790DA FR512790A FR 512790 A FR512790 A FR 512790A FR 512790 A FR512790 A FR 512790A FR 512790D A FR512790D A FR 512790DA FR 512790 A FR512790 A FR 512790A
- Authority
- FR
- France
- Prior art keywords
- typewriters
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/02—Key actions for specified purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2133—Pawls and ratchets
- Y10T74/2136—Pivoted pawls
- Y10T74/214—Multiple tooth
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gears, Cams (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US300571A US1370772A (en) | 1919-05-29 | 1919-05-29 | Typewriting-machine |
US368839A US1371590A (en) | 1919-05-29 | 1920-03-26 | Pawl-and-ratchet mechanism |
FR512790T | 1920-03-30 | ||
DER50113D DE375722C (de) | 1919-05-29 | 1920-05-04 | Schaltvorrichtung, insbesondere zum Zurueckschalten des Wagens |
Publications (1)
Publication Number | Publication Date |
---|---|
FR512790A true FR512790A (fr) | 1921-01-31 |
Family
ID=40039810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR512790A Expired FR512790A (fr) | 1919-05-29 | 1920-03-30 | Perfectionnements apportés aux machines à écrire |
Country Status (3)
Country | Link |
---|---|
US (2) | US1370772A (fr) |
DE (1) | DE375722C (fr) |
FR (1) | FR512790A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2933580A (en) * | 1958-05-06 | 1960-04-19 | Joe Davidson | Pivotally balanced members |
DE9401371U1 (de) * | 1994-01-27 | 1994-03-17 | Bruder Spielwaren GmbH & Co. KG, 90768 Fürth | Sperrgetriebe für Teleskopvorrichtungen an Spielfahrzeugen |
-
1919
- 1919-05-29 US US300571A patent/US1370772A/en not_active Expired - Lifetime
-
1920
- 1920-03-26 US US368839A patent/US1371590A/en not_active Expired - Lifetime
- 1920-03-30 FR FR512790A patent/FR512790A/fr not_active Expired
- 1920-05-04 DE DER50113D patent/DE375722C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE375722C (de) | 1923-05-23 |
US1371590A (en) | 1921-03-15 |
US1370772A (en) | 1921-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR512790A (fr) | Perfectionnements apportés aux machines à écrire | |
FR521958A (fr) | Perfectionnements aux machines à écrire | |
FR539491A (fr) | Perfectionnements aux machines à écrire | |
FR532038A (fr) | Perfectionnements aux machines à calculer imprimantes | |
FR505742A (fr) | Perfectionnements apportés aux machines à écrire | |
FR515734A (fr) | Perfectionnements apportés aux machines à écrire | |
FR496209A (fr) | Perfectionnements aux machines à écrire | |
FR527988A (fr) | Perfectionnements aux machines à imprimer | |
FR521968A (fr) | Perfectionnements aux machines typographiques | |
FR517143A (fr) | Perfectionnements aux machines à écrire | |
FR506045A (fr) | Perfectionnements aux machines à écrire | |
FR513160A (fr) | Perfectionnements aux machines à écrire | |
FR506537A (fr) | Perfectionnements aux machines à écrire | |
FR526419A (fr) | Perfectionnements aux machines à écrire | |
FR506046A (fr) | Perfectionnements aux machines à écrire | |
FR509290A (fr) | Perfectionnements aux machines à écrire | |
FR501128A (fr) | Perfectionnements aux machines à écrire | |
FR503713A (fr) | Perfectionnements aux machines à repasser | |
FR505979A (fr) | Perfectionnements aux machines à mouler | |
FR496825A (fr) | Perfectionnements aux machines à polir | |
FR555014A (fr) | Perfectionnements aux machines à calculer | |
FR514847A (fr) | Perfectionnements apportés aux machines à calculer | |
FR509720A (fr) | Perfectionnements aux machines à calculer | |
FR526545A (fr) | Machine à écrire | |
FR517881A (fr) | Perfectionnements aux machines à étiqueter |