Bicycle wheel alignment indicating instrument

Details Bicycle wheel alignment indicating instrument Bicycle wheel alignment indicating instrument

1977-03-30

1979-03-13

Martin, Jr., William D.

Geometrical instruments

Gauge

Wheel

G01B 312

Patent

active

041434641

ABSTRACT:
An instrument to indicate disalignment of a bicycle wheel or the like spoked wheel and characterized by a single feeler or guide engaging both the inner side and a lateral side of the rim, thus avoiding the need to remove the tire and connected to an indicating needle which indicates both the lateral and the circumferential disalignments in a convenient manner. This instrument includes a casing having a viewing window; the needle is pivotable in two orthogonal directions relative to the viewing window, and the latter is divided into four quadrant zones by lines extending parallel to the two orthogonal directions, and each quadrant zone is distinctive of one of the four modes to adjust the spokes of a wheel; tighten the left spoke, tighten the right spoke; release the left spoke; and release the right spoke.

REFERENCES:
patent: 2613447 (1952-10-01), Brouwer

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