Apparatus for extracting and installing a hinge pin

Details Apparatus for extracting and installing a hinge pin Apparatus for extracting and installing a hinge pin

1994-01-03

1995-08-08

Vo, Peter

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

29 11, 29254, 29267, B23P 1904, B25B 2702

Patent

active

054387434

ABSTRACT:
A bar has a slot with the shank of a pin of a hinge therein. The slotted bar is connected to one end of a force transfer bar, the other end being connected to one end of a lever bar. Bottom surfaces of the slotted bar and the force transfer bar subtend an obtuse angle. Top surfaces of the force transfer bar and the lever bar subtend an obtuse angle. An anvil is connected to the lever bar. When the pin is being installed in the hinge, a retention bar bears against the top of the head of the pin. Force from an air hammer is transferred via the anvil through the lever, transfer and retention bars to the top of the head of the pin. When the pin is being extracted, the force is transferred through the slotted bar to the bottom of the head.

REFERENCES:
patent: 4432125 (1984-02-01), Monteleone et al.
patent: 4464819 (1984-08-01), Steck et al.
patent: 4627141 (1986-12-01), Teske
patent: 5054180 (1991-10-01), Combs
patent: 5184385 (1993-02-01), Valesh

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