(under subclass 501) Subject matter wherein the contact member supports a workpiece and includes means to vary the position of the member in precise manner.
(1) Note. Linear or angular adjustments are in this group of subclasses.
SEE OR SEARCH THIS CLASS, SUBCLASS:
537, for an adjustable angular work support of the sine, cosine or tangent bar type.
549, for a gauge with an article support.
573, for a work support, per se.
SEE OR SEARCH CLASS
108, Horizontally Supported Planar Surfaces, 1+, for a tiltable surface, subclasses 20+ for a power driven surface, subclasses 137+ for a horizontally adjustable surface and subclasses 144.11+ for a vertically adjustable surface.
248, Supports,
127+, for a stand and subclasses 200+ for a bracket.
269, Work Holders,
55+, for a holder mounted for movement, particularly subclasses 63+ for a holder with indexing steps.