B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
164/61
B21D 28/00 (2006.01)
Patent
CA 1325169
IMPROVED REBAR CUTTING AND BENDING MACHINE ABSTRACT OF THE DISCLOSURE A hand-operated rebar cutting apparatus in- cluding first and second discs carried by a shaft mounted on a frame. The discs are pivotable relative to each other and each includes grooves which can be aligned for receipt of a bar to be cut. The first disc is piv- otal on a shaft carried by a frame and moves incremen- tally through a predetermined arc such that the grooves become substantially axially offset from each other. The apparatus is attached to a manually operable bender and straightener having a linearly reciprocable slide mounted within a guideway. As the slide is reciprocated, the first and second discs of the apparatus are pivoted relative to each other. The apparatus includes a ratchet mechanism for allowing incremental pivoting of the discs relative to each other through the predetermined arc, while allowing reciprocable movement of the slide to its initial position without returning the first and second disc to the position in which the grooves are aligned. The apparatus also includes return means for pivotally returning the first disc in a second direction through the entire predetermined arc during a single return stroke of the slide. When the grooves are sub- stantially axially offset from each other, a bar placed in the aligned groove is thereby cut.
581029
Fetherstonhaugh & Co.
Schweitzer Leonard J.
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