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    • 5. 发明专利
    • Improvements in or relating to counting devices
    • GB941820A
    • 1963-11-13
    • GB3504262
    • 1962-09-14
    • PRYOR EDWARD & SON
    • THROP ARNOLD
    • G01F15/00
    • 941,820. Pneumatic counters. EDWARD PRYOR & SON Ltd. Sept. 14, 1962, No. 35042/62. Addition to 914, 234. Heading G4D. A pneumatic counting device as described in the parent Specification is modified by the provision of ported plates as shown. As in the parent Specification a knob 19 is set to the number of pneumatic pulses required before pressure is applied to an outlet port to actuate some device or to perform transfer. The knob 19 sets disc 10, Fig. 4, which then remains stationary with hole 32 aligned with a selected one of the ten holes 39 in fixed transfer, disc 9. Disc 6 is rotated by the step-bystep longitudinal movement of a piston in the manner described in the parent Specification. In starting position port 43 is blanked off by transfer disc 9, but the outlet passage 31 is connected through passages 29, 32, 33, 34, 40, 42, 41, 36 to atmosphere, so preventing unwanted operation of the controlled device. The first rotary step of disc 6 breaks the connection 42, 40. When sufficient steps have been made for port 43 to align with the hole 39 aligned with selecting hole 32 then pressure air from passage 4 passes directly through to passage 31 to operate the controlled device or in the case of a multi-denominational counter to effect transfer.
    • 10. 发明专利
    • High speed marker
    • GB0221180D0
    • 2002-10-23
    • GB0221180
    • 2002-09-13
    • PRYOR EDWARD & SON
    • B44B5/00
    • A marking device (10) comprises a frame (1) (of frame plates (12,14)) to which are fixed first and second motors (16,18). A carriage frame (40) is pivoted in the frame about a screw axis (22). A marking head (30) is mounted on the carriage frame for movement in a direction parallel the screw axis. A drive screw (20) is rotationally mounted in the frame along the screw axis and is driven by the first motor (16). The carriage frame is journalled on said drive screw to permit said pivoting about the screw axis. The marking head is driven by rotation of the screw, the carriage frame being pivoted by the second motor. The carriage frame (20) comprises a bar (32) on which the marking head slides. The bar is disposed parallel the drive screw. The bar has at each end an arm (34,36) pivoted on bearings (35,37) on the drive screw. One arm (36) has an extension (66) fixed to a belt (58) disposed around two idler pulleys (62,64) and a motor pulley (60) driven by the second motor. The extension has a contact surface (68) having a curvature centred on the drive screw and having both radius and circumferential extent that is sufficient to approach contact with the belt around the idler pulleys. By this means, the tension of the belt is maintained throughout its pivoting of the arm extension (66).