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RATCHET MECHANISM OF A PRECISION REVOLUTION COUNTER
When spindle 1 is connected to the shaft whose revolutions are to be counted, worm 11, worm wheel 2 and gear 3 begin to rotate. When button a is pressed, pawl 4 is disengaged from ratchet wheel 5 which is keyed to a shaft with flat spring 6 and begins to rotate due to friction between the spring and gear 3. This leads to rotation of gears 7, 8, 9 and 10 which transmit rotation to hands b and c. Th…
Creator
- Europeana
Type of item
- image
Creator
- Europeana
Type of item
- image
Providing institution
Aggregator
Rights statement for the media in this item (unless otherwise specified)
- http://creativecommons.org/licenses/by-nc-nd/3.0/
- http://creativecommons.org/licenses/by-nc-nd/3.0/
Rights
- http://www.dmg-lib.org/dmglib/main/portal.jsp?mainNaviState=site.oairights
Identifier
- dmg:19478023
- http://www.dmg-lib.org/dmglib/handler?image=19478023
Relations
- Ilmenau University of Technology, Germany
Providing country
- Europe
Collection name
First time published on Europeana
- 2013-11-25T17:36:08.446Z
Last time updated from providing institution
- 2013-11-25T17:36:08.446Z