Attenuated hinge spring assembly

Details Attenuated hinge spring assembly Attenuated hinge spring assembly

1993-10-08

1995-02-21

Oberleitner, Robert J.

Spring devices

Vehicle

Mechanical spring and nonresilient retarder

16297, 16289, 16337, 267275, 267156, B60G 1300

Patent

active

053909046

ABSTRACT:
An attenuated hinge spring assembly for a trunk lid of an automotive vehicle includes a coiled spring which is connected to a bracket secured to the vehicle, a threaded stud which is secured to the bracket, a plate which is slidably mounted on the bracket and the stud, a nut rotatably attached to said threaded stud and selectively secured to an arm, and a washer which lies between the plate and the nut. The plate lies adjacent to the coiled spring. The arm is pivotally connected to the trunk lid and to the bracket. The spring is connected to the stud and the arm and uncoils as the arm pivots from a lowered position to a raised position to move the lid between a lowered position and a raised position. When the lid is raised, the arm rotates which causes the nut to rotate and translate along the stud, which in turn causes the washer and plate to translate along said stud. The plate moves against the coiled spring and frictionally brakes the spring and the nut to slow the momentum of the lid as the lid is being raised.

REFERENCES:
patent: 2388229 (1945-10-01), Light
patent: 2612651 (1952-10-01), Roethel
patent: 3474487 (1969-10-01), Resag et al.
patent: 3759503 (1973-09-01), Moore
patent: 4483426 (1984-11-01), Tagawa et al.

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