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US 4,188,701 AGranted
Hinge pin remover
OwnerJoseph B. Ludwiginventor
Life of this patent
Estimating the term…
Abstract
For removing a hinge pin, a tool having a wedge-shaped head mounted on a shank equipped with a support projection to receive the hinge. The head includes an impact surface for hammering the wedge portion between the hinge and the head of the hinge pin. A striker plate perpendicular to the tool shank receives impact blows to dislodge the pin from the hinge.
Claims4
A tool for removing from a hinge a hinge pin having a bulbous head and a shank portion of fixed length, said tool comprising:
- a shank;
- a bifurcated wedge secured to the upper end of the shank for placement between the hinge and the bulbous head of the hinge pin and for engagement with the undersurface of the bulbous head of the hinge pin;
- a first striker plate substantially parallel to the shank and adapted to receive impacts to force the wedge between the hinge pin and the undersurface of the hinge pin head;
- a support foot secured to the shank a distance from the wedge less than the length of the shank portion of the hinge pin and aligned on the shank beneath the wedge, said support foot including a hinge receiving notch adapted to engage the hinge at least at two different points when the wedge is disposed between the hinge and the hinge pin head;
- a second striker plate substantially perpendicular to the shank and adapted to receive impacts to force the pin from the hinge when the wedge contacts the undersurface of the hinge pin head.
2 more elements
Dependencies are inferred from the claim text.