Vane rail stock for air turning assembly

Details Vane rail stock for air turning assembly Vane rail stock for air turning assembly

1991-04-29

1996-01-09

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Intermediate article

428596, 138 39, F15D 104

Patent

active

054827833

ABSTRACT:
An apparatus and method of forming air turning assemblies is disclosed along with a novel vane supporting rail structure for use therewith. The apparatus holds a pair of rails in spaced parallel relation at a clinching station at which the edges of a vane may be engaged in opposed slotted protuberances in the rails. The spacing of the rails may be increased at the station against a yieldable biasing force, the station including a deforming mechanism for deflecting the vane edges to lock the vanes to the rails. The rails include cam surfaces leading to the vane receiving slots and blocking walls at the trailing ends of the slots to facilitate introducing the vane edges into the slots.

REFERENCES:
patent: 2115367 (1938-04-01), Levy et al.
patent: 2826221 (1958-03-01), Speiser
patent: 2861597 (1958-11-01), Gracer
patent: 2959195 (1960-11-01), Gracer
patent: 2972358 (1961-02-01), Hinden
patent: 3190250 (1965-06-01), Hinden
patent: 3195228 (1965-07-01), Beacham
patent: 3405737 (1968-10-01), Harper
patent: 3602262 (1971-08-01), Hinden
patent: 4995426 (1991-02-01), Hinden
"Duro Vane Rail", Sheet Metal Worker, Oct. 1953, pp. 28, 29.

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