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DOUBLE-RATCHET DWELL MECHANISM
Lever 1 oscillates about fixed axis A and carries pawl 2 which engages the teeth of ratchet wheel 3. Wheel 3 is keyed to shaft 7 and rotates it intermittently counterclockwise about axis A. Pawl 4, also pivoted on lever 1, engages the teeth of ratchet wheel 5 which is confined between leather friction disks 6 that can be adjusted to obtain the required pressure. Shield, or mask, a, carried on ratc…
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:19433023
- http://www.dmg-lib.org/dmglib/handler?image=19433023
Relations
- Ilmenau University of Technology, Germany
Providing country
- Europe
Collection name
First time published on Europeana
- 2013-11-25T17:36:13.842Z
Last time updated from providing institution
- 2013-11-25T17:36:13.842Z