Patent ID: 8839697

Claim:
A wiper attack angle adjustment tool comprising: a first wiper arm wrench including a first handle portion and a first wiper arm holding portion having a first jaw defining a first wiper arm gripping slot with a first wiper arm insertion opening, the first handle portion, the first wiper arm holding portion and the first jaw being non-movably attached to one another for pivotal movement together about a single pivot axis which passes through the first wiper arm gripping slot; a second wiper arm wrench including a second handle portion and a second wiper arm holding portion having a second jaw defining a second wiper arm gripping slot with a second wiper arm insertion opening, the second handle portion, the second wiper arm holding portion and the second jaw being non-movably attached to one another for pivotal movement together about the single pivot axis which further passes through the second wiper arm gripping slot; and a coupling member being rigidly and non-rotatably fixed to the first wiper arm holding portion and directly contacting and retaining the second wiper arm holding portion, pivotally coupling the first wiper arm holding portion to the second wiper arm holding portion such that the first wiper arm holding portion and the second wiper arm holding portion rotate relative to one another about the single pivot axis, the coupling member having a wiper arm receiving space partially surrounding the single pivot axis and axially aligned with the first and second wiper arm gripping slots along the single pivot axis, the wiper arm receiving space defining a third wiper arm insertion opening, the first, second and third wiper arm insertion openings being arranged relative to the single pivot axis such that the first and second wiper arm wrenches and the coupling member are configured to engage a wiper arm in a direction transverse to the single pivot axis.