Tool for disassembling hydraulic valve lifters

Details Tool for disassembling hydraulic valve lifters Tool for disassembling hydraulic valve lifters

1975-10-30

1977-04-26

Smith, Al Lawrence

Metal working

Means to assemble or disassemble

Valve applying or removing

29259, B23P 1904

Patent

active

040192377

ABSTRACT:
A tool for disassembling hydraulic valve lifters of the type having a housing enclosing a plunger longitudinally movable through a cylindrical cavity therein, the plunger having a coaxial cavity therein with a circumferential lip or groove adjacent the open end thereof. A shaft communicates into the coaxial cavity of the plunger. The shaft has at the distended end thereof an annular head for engaging the circumferential lip adjacent the open end of the plunger. The distended end of the shaft and the annular head also include a longitudinal slot therethrough parallel to the axis of the shaft. An activating device is included adjacent to the longitudinal slot for enlarging the annular head to engage the circumferential lip inside the plunger. The tool also includes a frame for communicating with and restraining the longitudinal movement of the housing. A first cam is movably coupled between the shaft and the frame for longitudinally moving the shaft relative to the frame, whereby the shaft having the plunger coupled thereto by the annular head is extracted from the cavity within the housing by manually rotating the cam.

REFERENCES:
patent: 2814098 (1957-11-01), Kessell
patent: 2889618 (1959-06-01), Morris et al.
patent: 2978803 (1961-04-01), Davies
patent: 3071848 (1963-01-01), Lawry et al.
patent: 3270407 (1966-09-01), Araujo

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