Patent ID: 7992303

Claim:
An electric hair clipper comprising: a combination housing providing a knob fitting portion, a pivot portion, at least one axial guiding slot, a motor receiving portion and a motor fixing portion; an adjusting knob with a knob body and a pivot portion that pivots on said pivot portion of the combination housing, a turning operation portion around said adjusting knob for a finger to fiddle with, at least one pusher driving portion forming continuous various distances radially from a center of said pivot portion of the adjusting knob, an elastic orientation part being placed between the knob body and said knob fitting portion of the combination housing; a motor unit being provided at said motor receiving portion of the combination housing and fixed on said motor fixing portion of the combination housing; a sliding pusher providing a body, at least one driven link portion that is driven by said pusher driving portion of the adjusting knob and moved along said axial guiding slot of the combination housing to make the sliding pusher move, a push head being provided on the sliding pusher and adapted to push against a scissors kit; wherein said combination housing provides two axial guiding slots, said adjusting knob has two pusher driving portions and said sliding pusher has two driven link portions, said pusher driving portions of the adjusting knob that are arc fillisters being provided at one diameter and having one center eccentric from said pivot portion of the adjusting knob; said pivot portion of the adjusting knob pivots to a center of said pivot portion of the combination housing by an axis; wherein said combination housing further provides two coordination portions that are two fillisters, said sliding pusher provides two match portions slidingly placed in said coordination portions of the combination housing; and said sliding portion provides the body with barrel shape and a cylinder space, said sliding pusher is movably placed around the motor unit.