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TRIPLE-PAWL RATCHET-TYPE MECHANISM OF A HOIST
A counterclockwise torque is applied about fixed axis A to ratchet wheel 1 to hoist load Q. Pawls 2, 3 and 4 turn about axes B, C and D and separately engage the teeth of wheel 1, preventing rotation in the reverse direction and dropping of load Q. The pawls are of different length or their axes of rotation are so located that if pawl 2 engages the face of a tooth, pawl 3 is one-third pitch beyond…
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:19468023
- http://www.dmg-lib.org/dmglib/handler?image=19468023
Relations
- Ilmenau University of Technology, Germany
Providing country
- Europe
Collection name
First time published on Europeana
- 2013-11-25T17:36:14.815Z
Last time updated from providing institution
- 2013-11-25T17:36:14.815Z