| 摘要 |
Envelope flap moistening apparatus for use in a machine for feeding an envelope having a flap in a predetermined path of travel. The apparatus includes a hinge pin which is connected to the machine so as to extend across the path of travel of an envelope flap. In addition, the apparatus includes an elongate brush for applying moisture to an envelope flap, which brush includes a base. The apparatus also includes an elongate brush retainer which is made of a resilient plastic material. The brush retainer includes first and second channels. The first channel is dimensioned for engagement with the hinge pin and has an elongate opening dimensioned for receiving the hinge pin through the opening for attaching the retainer to the hinge pin. And the second channel, having a generally inverted-U-shaped transverse cross-section, is dimensioned for insertion and removal of the brush base against resilient forces exerted on the base by the walls of the second channel for attaching the brush to the retainer.
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