发明名称 Protective two-piece cover boots for padlocks
摘要 A pair of anti-dust and anti-moisture protective cover boots fabricated of a resilient and pliable soft molded material such as polyurethane plastic, or the like, to respectively fit snugly over the shackle bight, shackle legs and adjacent top end of a padlock case, and also to fit over the cylinder/key end or lower end of the case. The top cover boot for the shackle end is provided with spaced holes to snugly accommodate the legs of the shackle, and has a self-closing slit interconnecting the spaced holes to permit the boot to be yieldingly slipped snugly over the shackle and onto the adjacent end of the case. The other generally similar bottom boot has a shorter, angularly disposed self-closing slit provided generally centrally in its end wall to provide key access. The plane of the slit is disposed obliquely relative to the inner and outer surfaces of the end wall to reduce likelihood of entry of moisture and dust. The boot material is sufficiently resilient to permit both key turning therein and to be self-closing after removal of the key.
申请公布号 US4317344(A) 申请公布日期 1982.03.02
申请号 US19790096586 申请日期 1979.11.21
申请人 BARNARD, ROBERT L. 发明人 BARNARD, ROBERT L.
分类号 E05B17/00;E05B67/38;(IPC1-7):E05B67/38 主分类号 E05B17/00
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