Self-releasing locking unit for an inner spring assembly

Details Self-releasing locking unit for an inner spring assembly Self-releasing locking unit for an inner spring assembly

1980-05-12

1982-04-27

Novosad, Stephen J.

Beds

Bedclothing

And means to facilitate changing thereof

5260, A47C 2304, A47C 3108

Patent

active

043263119

ABSTRACT:
An improved self-releasing locking unit, such as a self-releasing locking edge support, in an inner spring assembly wherein the locking unit can be employed to secure the inner spring assembly in a compressed condition during the covering of same, and which will release the inner spring assembly from the compressed condition after the covering procedure has been completed. The self-releasing locking unit comprises a hook connected to the peripheral lower frame of the inner spring assembly and a hook receiver connected to an upper portion of the inner spring assembly. The hook is biased in a first position near the lower frame and is movable to a second position wherein the hook is disposed substantially normal to the plane of the lower frame and is adapted to engage the hook when the lower and upper frames of the inner spring assembly are in a compressed condition. The hook receiver releases the hook when the lower and upper frames are further compressed so that the hook can return to the first position and the lower and upper frames of the inner spring assembly can expand.

REFERENCES:
patent: 2709819 (1955-06-01), Wise
patent: 3093840 (1963-06-01), Martin
patent: 3391412 (1968-07-01), Bronstien, Jr. et al.
patent: 3426371 (1969-02-01), Robinson
patent: 3590404 (1971-07-01), Dreve, Jr.
patent: 3971082 (1976-07-01), Crosby et al.
patent: 4067076 (1978-01-01), Krier

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