Patent ID: 6397648
Filing Date: 2002-06-04
Classification: E05B,Y10T

Abstract:
A keyway protector adapted for use with a U-lock having a shackle and crossbar, said crossbar having a cylindrical outer surface and a keyway in said cylindrical outer surface, said keyway having a size, said keyway protector comprising:(a) a housing and a slider; (b) said housing including an inner surface and an outer surface, said inner surface shaped to conform with said crossbar cylindrical outer surface; (c) said housing including mounting holes for attaching said keyway protector to said crossbar; (d) said housing inner surface having a shallow depression; (e) said housing including an aperture between said depression and said outer surface, said aperture having an access portion and a slot portion, the size of said access portion being approximately said keyway size and the width of said slot portion being smaller than said access portion size; (f) said slider including an arched sheet fitted to said depression; (g) said arched sheet having an opening with a size approximately said keyway size; (h) said slider having an open position wherein said arched sheet opening is aligned with said access portion, and a closed position wherein said arched sheet opening is not aligned with said access portion; and (i) said slider including a knob outside of said housing for moving said slider between said open position and said closed position, said knob being attached to said arched sheet by a neck within said slot portion.