A hand-held tufting machine comprising a piston (2) mounted in a cylinder (4) for reciprocating motion therein, a hollow needle (6) extending from an end (8) of the piston (2) through a corresponding end (12) of the cylinder, the hollow needle (6) communicating with an aperture (22...
(57) [Abstract] OBJECTIVE scissors gear can be applied to a case where the helical, assembling the front of the sub gear in the working, and eliminates the need for confirmation work of the back and assembling can be improved workability, yet resilient force of the torsion spring are to pr...