Locking mechanism for indexing device
Disclosed is a locking mechanism for an indexing spindle. A conventional spur gear having outwardly extending teeth is affixed to the spindle. Also included is a rotatably mounted camshaft whose axis is arranged in skewed relationship with the axis of the spindle. A disk-like wedge having opposing camming surfaces is eccentrically mounted on the camshaft. As the camshaft is rotated, the camming surfaces of the disc-like member are interposed between adjacent gear teeth with a wiping action that wedges the disc-like member between the gear teeth. A zero backlash engagement between disc-like member and gear results, with the engagement having a high mechanical advantage so as to effectively lock the spindle against bidirectional rotation.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4464948
- OSTI ID:
- 5993247
- Resource Relation:
- Patent File Date: Filed date 25 Jan 1982
- Country of Publication:
- United States
- Language:
- English
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