Apparatus for breaking up stacks of boards in power saws or the

Details Apparatus for breaking up stacks of boards in power saws or the Apparatus for breaking up stacks of boards in power saws or the

1981-08-20

1984-02-14

Valenza, Joseph E.

Material or article handling

Vehicle-carried bale accumulator

414119, 414100, 271128, 271130, 74 98, 74107, 73290R, 200 6142, B65G 5902

Patent

active

044313586

ABSTRACT:
Apparatus for breaking up stacks of boards in a power saw has a platform which carries a stack of boards and is movable upwardly by a motor which is automatically arrested in response to lifting of a preselected number of boards above a given level. The unit which effects the transfer of boards above such level onto a table which supports the boards during cutting carries a pivotable lever with an idler roller which rests on the topmost board during lifting of the platform, and the lever causes a switch or a signal comparing stage to arrest the motor for the platform when it assumes a preselected angular position. When the idler roller is moved off the topmost panel in response to transfer of the selected number of boards onto the table and resulting movement of the transfer unit relative to the platform, the lever assumes a given position in which it arrests the motor for the transfer unit. A master switch in the circuit of the motor for the platform is opened in response to lifting of the platform to a given maximum permissible level.

REFERENCES:
patent: 3040911 (1962-06-01), Turner
patent: 3174633 (1965-03-01), Stevens
patent: 3608747 (1971-09-01), Shibata et al.
patent: 3888364 (1975-06-01), Inoue et al.
patent: 3955811 (1976-05-01), Gibson

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