Medium pump adapted for ease of disassembly and assembly

Pumps – Expansible chamber type – Biasing means effects induction stroke of abutment driven,...

Reexamination Certificate

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C417S218000, C417S222100, C092S060500, C092S013400, C074S055000, C074S056000, C074S56800M

Reexamination Certificate

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07033149

ABSTRACT:
A medium pump for a motor includes a pump case with a pump cylinder and a pump piston positioned displacaebly in the pump cylinder in the direction of a pump axle. The pump piston rotates about the pump axle by running off an oblique control surface and realizes axial pump movements against the pressure of a first spring. A pump lift adjusting device is removably positioned in a guide placed transversely to the pump axle and fixedly connected with the pump case.

REFERENCES:
patent: 3435914 (1969-04-01), Kunio
patent: 4036326 (1977-07-01), Mukai et al.
patent: 4797073 (1989-01-01), Kubota
patent: 4847999 (1989-07-01), Nagashima
patent: 2 617 574 (1989-01-01), None

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