Jaw crusher toggle beam locking structure

Details Jaw crusher toggle beam locking structure Jaw crusher toggle beam locking structure

1988-02-22

1988-11-08

Echols, P. W.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241264, 241286, B02C 104

Patent

active

047830131

ABSTRACT:
The invention relates to a jaw crusher wherein shims behind a toggle beam define various positions of its fore-and-aft adjustment along way slots in which its end portions are guided, and wherein the toggle beam is shifted forwardly away from the shims and rearwardly towards them by a pair of hydraulic rams, each connected between the housing and an end of the toggle beam. At each end the toggle beam has a forwardly-downwardly inclined surface slidingly overlain by a wedging member that cooperates with the upper surface of the adjacent way slot to wedgingly prevent forward shifting of the toggle beam and confine it against the lower surfaces of the way slots. Each ram has link connections with the toggle beam and with a wedging member whereby the latter is pulled forward out of wedging relationship before the toggle beam is shifted forward and is pushed back to wedging condition after the toggle beam engages the shims.

REFERENCES:
patent: 2960276 (1960-11-01), Roubal
patent: 3153512 (1964-10-01), Polzin
patent: 3166259 (1965-01-01), Archer et al.
patent: 3318540 (1967-05-01), Gilbert
patent: 3473744 (1969-10-01), De Diemar et al.
patent: 4165044 (1979-08-01), Batch

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