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Overload Clutch

IP.com Disclosure Number: IPCOM000097062D
Original Publication Date: 1962-May-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 33K

Publishing Venue

IBM

Related People

Beaty, JC: AUTHOR [+2]

Abstract

Overload clutch 10 positively disengages at a predetermined torque and remains disengaged until reset manually. Mounting plate 11 is fixed to output shaft 12. L-shaped arm 13 is pivotally mounted upon stud 14 projecting from mounting plate 11. Surface 15 of arm 13 is held against complementary surface 16 of input shaft 17 by spring 18. This establishes a driving relationship between input shaft 17 and output shaft 12.

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Overload Clutch

Overload clutch 10 positively disengages at a predetermined torque and remains disengaged until reset manually. Mounting plate 11 is fixed to output shaft 12. L-shaped arm 13 is pivotally mounted upon stud 14 projecting from mounting plate 11. Surface 15 of arm 13 is held against complementary surface 16 of input shaft 17 by spring 18. This establishes a driving relationship between input shaft 17 and output shaft 12.

Positive disengagement of the clutch occurs when the torque furnished by input shaft 17 exceeds the moment furnished by spring 18 acting on arm 13. When this occurs, the clutch remains disengaged because, as arm 13 is rocked counterclockwise about pivot 14 by the input shaft 17, the line of action of the spring force passes over pivot 14. The resulting moment of the spring 18 holds the arm 13 away from surface 16 against stop 19.

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