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Shaft Rebound Controller

IP.com Disclosure Number: IPCOM000080117D
Original Publication Date: 1973-Jan-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 2 page(s) / 24K

Publishing Venue

IBM

Related People

Watts, JE: AUTHOR

Abstract

The rebound control device illustrated in the figure is utilized to stop the rebound motion of shaft 1, which initially is turning in the direction of the arrow shown thereon, when the shaft or a ratchet affixed thereto, not shown, impacts a fixed detent for stopping the shaft at a precise point. These detents are generally shock or spring mounted or made with a rubber interface, to prevent wear in the detent mechanism. However, this induces a reverse rotation in the shaft to move it away from the precise point at which the detent was to stop the forward motion of the shaft.

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Shaft Rebound Controller

The rebound control device illustrated in the figure is utilized to stop the rebound motion of shaft 1, which initially is turning in the direction of the arrow shown thereon, when the shaft or a ratchet affixed thereto, not shown, impacts a fixed detent for stopping the shaft at a precise point. These detents are generally shock or spring mounted or made with a rubber interface, to prevent wear in the detent mechanism. However, this induces a reverse rotation in the shaft to move it away from the precise point at which the detent was to stop the forward motion of the shaft.

In the figure, reverse rotation of shaft 1 causes one-way clutch 2 to engage shaft 1, in the direction of rotation indicated by the arrow on clutch 2, and connect the motion of shaft 1 to the arm member mounting 3. Arm member 4 may be a part of mounting 3. Arm 4 is constrained by spring 5 attached between a fixed mounting point and a portion of arm 4.

The reverse rotation of shaft 1 is imparted through clutch 2 to move arm 4 by a distance 6, until it impacts fixed stop 7. Stop 7 is positioned so that the distance 6 between the initial position of arm 4 and the position of its utmost travel at impact with stop 7, is equal to the distance that the aforementioned shock mount in the detent which initially halts forward rotation of shaft 1 compresses, prior to the beginning of reverse rotation of shaft 1 due to the rebound in the detent mechanism. Distance 6 is adjusted by...