Power operated rotary knife

A mechanically actuated rotating blade including an annular rotating blade supported for rotation in a blade housing. The rotary knife blade includes a body and a blade section extending from the body. The body includes an outer wall including an arcuate surface having an upper region extending from a first upper end portion to a second intermediate portion and a lower region extending from the second intermediate portion to a third lower end portion. A plurality of gear teeth extend downwardly from the upper end of the body, each of the plurality of gear teeth including an outer peripheral face that forms a portion of the upper region of the arcuate surface of the outer wall. p> <p>(Automatic translation with Google Translate, without legal value)