Machine element or mechanism – Gearing – Backlash take-up
Patent
1986-07-31
1988-05-10
Braun, Leslie A.
Machine element or mechanism
Gearing
Backlash take-up
74410, 74417, F16H 5518
Patent
active
047427256
ABSTRACT:
In a bevel gear device, wherein bevel gears are provided which are fixed to forward ends of shafts crossing each other, respectively, and in mesh with each other, and a turning force applied to one of the shafts is imparted to the other, at least either one of the shafts is made movable in the axial direction thereof, and a pre-load is applied to the movable shaft in the advancing direction, in which the bevel gears are in mesh with each other, by use of a first force. As a consequence, fluctuations of the backlash are reliably absorbed, necessity of the backlash adjustment is eliminated, and an excessively high pre-load can be prevented from being generated. Furthermore, another pre-load is applied to the movable shaft in the direction reverse to the first force, by use of a second force weaker than the first force. As a consequence, a tooth surface force applied to the bevel gears can be reduced.
REFERENCES:
patent: 2984121 (1961-05-01), Folkerts
patent: 3252348 (1966-05-01), Folkerts
patent: 3333481 (1967-08-01), Kulig
patent: 3608644 (1971-09-01), Shimanckas
patent: 4282765 (1981-08-01), Ashauer et al.
patent: 4406174 (1983-09-01), Szostak
Braun Leslie A.
Diehl Dwight G.
Toyota Jidosha & Kabushiki Kaisha
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