Method for manufacturing reinforced tines

Details Method for manufacturing reinforced tines Method for manufacturing reinforced tines

1990-06-20

1991-05-21

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Agricultural device making

29514, 29525, 29891, 72213, 414724, B21H 708, B23P 1902

Patent

active

050163507

ABSTRACT:
Reinforcing device formed from a bent metallic bar stock formed into two legs, having an intermediate bend thereof, inserted into the hollowed end of a tine, such as for a hay loader, or related lift mechanism, and therein reinforcing the tine against shear forces and bending moments. Apparatus is provided for bending the bar stock into the configuration of the reinforcing member, by applying a ram to the bar at that location where the bend is required, and forcing the bar to bend into the formation of a pair of legs, between a pair of guide rollers, through the longitudinal shifting of the ram under excessive force during bending of the bar into its reinforcing configuration.

REFERENCES:
patent: 16363 (1957-01-01), Whitmore
patent: 1617880 (1927-02-01), Thomas et al.
patent: 3457754 (1969-07-01), Doerr et al.
patent: 3908844 (1975-09-01), Duffield
patent: 4460024 (1984-07-01), Erhardt

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