ELECTROPHOTOGRAPHIC LAYER CLEANING PROCESS AND APPARATUS

    公开(公告)号:CA951058A

    公开(公告)日:1974-07-16

    申请号:CA82082

    申请日:1970-05-07

    Applicant: IBM

    Abstract: 1281485 Electro-photographic copiers INTERNATIONAL BUSINESS MACHINES CORP 28 April 1970 [19 May 1969] 20215/70 Heading G2H After transfer of a developed image from a photo-conductive drum, residual developer is cleared therefrom by a brush 41, Fig. 1, or an air knife 101, Fig. 4; a lamp being provided at the cleaning station to illuminate the drum and disperse residual charge therefrom while the drum is being cleared. In Fig. 1, lamp 55 is mounted inside rotating brush 41, a vacuum cleaner 45, 47 drawing off developer particles. The construction of the brush and materials therefor are described in detail. In Fig. 4, a lamp 103 and air knife 101 are employed, developer particles being drawn off by suction through a housing 105.

    SERVOING MECHANISM FOR IMPROVED TYPEWRITER RIBBON SPOOLING

    公开(公告)号:CA945972A

    公开(公告)日:1974-04-23

    申请号:CA115874

    申请日:1971-06-17

    Applicant: IBM

    Abstract: 1284373 Ink ribbon mechanism INTERNATIONAL BUSINESS MACHINES CORP 7 May 1971 [30 June 1970] 13616/71 Addition to 1,183,173 Heading B6F Ink ribbon mechanism includes a drive roller 16 engaging the outer turn of ribbon 12 on a take-up spool 14, the spool 14 being capable of tilting with respect to a spindle 13, and guide means 17, 19 are provided to limit displacement of successive turns of the ribbon axially with respect to the spool. The guide means 17, 19 may be in the form of flanges on the drive roller 16 as shown. The winding mechanism may be employed with thin ribbons in cartridges of the kind described in the parent Specification.

Patent Agency Ranking