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    • 55. 发明授权
    • Scraper assembly
    • 刮板总成
    • US4182033A
    • 1980-01-08
    • US894596
    • 1978-04-07
    • Chester F. JacobsonNorman D. Poisson
    • Chester F. JacobsonNorman D. Poisson
    • A47L13/08B44D3/16B26B5/00
    • A47L13/08B44D3/162
    • A scraper assembly comprising a housing having a head portion adapted to receive and retain a blade unit, and a cover member adapted to cover the blade retained by the head portion, the cover member being releasably retained by engagement with the head portion and completely separable therefrom, the cover member being further adapted to cover portions of the housing remote from the head portion, the cover member being releasably retained by engagement with a second portion of the housing and completely separable therefrom, whereby the cover member may be selectively positioned to cover the blade unit and may be removed therefrom and positioned on the housing at an end remote from the blade unit to expose the blade unit for scraping operations, and may be completely removed from the remainder of said assembly.
    • 一种刮刀组件,包括具有适于容纳和保持刀片单元的头部的壳体,以及适于覆盖由头部保持的刀片的盖构件,所述盖构件通过与头部接合而可释放地保持并且与其完全分离 盖构件还适于覆盖远离头部的壳体的部分,盖构件通过与壳体的第二部分接合而可释放地保持并且与壳体完全分离,由此盖构件可以选择性地定位成覆盖 刀片单元并且可以从其移除并且在远离刀片单元的端部处定位在壳体上以暴露刀片单元以进行刮削操作,并且可以从所述组件的其余部分完全移除。