Spring devices – Vehicle – Torsion
Patent
1987-04-10
1988-09-06
Tudor, Harold J.
Spring devices
Vehicle
Torsion
267273, B60G 1118, F16F 114
Patent
active
H00005185
ABSTRACT:
This invention pertains to end constraints for torsion members applicable r use in cannon breech closing mechanisms, vehicle suspensions, etc. To provide torsion members with greater load carrying ability when subjected to large magnitudes of twist, special end constraints are required. The instant invention features end constraints with substantially square or rectangular cavities having a pair of opposing surfaces contoured such as to eliminate or minimize transverse shear within the ends of the torsion member at the region of transition between the active and non-active portions. These contoured surfaces have opposed oblique surfaces diagonally spaced in a transverse direction with respect to the trailing face of the constraints. To facilitate manufacture, the end constraints can be made to feature surface contoured inserts fixedly mounted within the sockets. It should be ascertained that two end constraints are used to apply moments at the ends of a torsion member. One end constraint is fixedly mounted and the other is rotatably mounted, such as to transmit torque from the rotated end constraint on through the torsion member to the fixed end constraint.
REFERENCES:
patent: 2606020 (1952-08-01), Anderson
patent: 3243175 (1966-03-01), Sherwood
patent: 3276762 (1966-10-01), Thomas
Card, Jr. Harold H.
Lane Anthony T.
Sachs Michael C.
The United States of America as represented by the Secretary of
Tudor Harold J.
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