F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/100
F16H 1/24 (2006.01) F16H 25/04 (2006.01)
Patent
CA 2026484
ABSTRACT (Figure 1 refers) A drive mechanism has two parallel shafts (2,3) provided with overlapping circumferentially-extending spiral teeth (4,5) of the same hand. The shape and positioning of the teeth is such that when one of the shafts is rotated, the steep flank surfaces (7,9) of its teeth engage the steep flank surfaces (9,7) of the teeth of the other shaft and force it to rotate in the same direction. Unidirectional drive may be obtained by providing each tooth with a gently sloping flank surface (8,10) on one side. The engagement of the gently sloping flank surfaces prevents rotation of the shafts if the driving torque is reversed.
Fahy Arthur J.
Gillies Neil
Fahy Arthur J.
Gillies Neil
Ivg Australia Pty. Limited
Johnson Douglas S. Q.c.
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