Machine element or mechanism – Gearing – Teeth
Patent
1975-12-11
1977-01-11
Gerin, Leonard H.
Machine element or mechanism
Gearing
Teeth
74 8915, F16H 5522, F16H 2702, F16H 18, F16H 120
Patent
active
040020835
ABSTRACT:
A component or balanced member for use on a shaft or lead screw having longitudinally extending transport elements has an internal bore with matching threads or lands therein to permit the balanced component to be mounted in operative association with the transport elements for movement to and fro along the given shaft, said component has a plurality of circumferentially spaced longitudinally extending slots having a length less than the length of the component so as to define therebetween a plurality of spaced connecting members each disposed between the ends of the component, and a resilient compression assembly is disposed about the medial section of the component for exerting a force on the medial section of each of the connecting members to adjustably fix the predetermined torque required to move the component when it is in assembled position on the associated shaft. On a shaft or lead screw that is longitudinally grooved or has helical threads with a relatively low lead angle the slots in the component are best disposed parallel to the axis of the component. Conversely when the transport elements on the shaft or lead screw has helical threads with a relatively high lead angle, the slots on the component are disposed to lie either parallel to the lead angle of the helical thread or have sections thereon parallel to the lead angle and preferably medial sections parallel to the axis of the shaft or lead screw.
Additionally a positioning device including a shaft or lead screw having longitudinally extending transport elements in combination with a balanced component, as above described, mounted for movement to and fro thereon.
REFERENCES:
patent: 3267764 (1966-08-01), Berman
patent: 3277737 (1966-10-01), Goodman
patent: 3831460 (1974-08-01), Linley, Jr.
Bobis Daniel H.
Gerin Leonard H.
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