Helically geared compound transmission

Details Helically geared compound transmission Helically geared compound transmission

1993-05-20

1994-12-06

Vrablik, John J.

Machine element or mechanism

Gearing

Interchangeably locked

74331, F16H 308

Patent

active

053700139

ABSTRACT:
A compound helically geared transmission (310) of lighter weight and/or shorter axial length than comparable prior art transmissions is provided. The compound helically geared transmission of the present invention utilizes main and auxiliary section countershafts (324, 362) which are coaxial and supported solely by bearings in the transmission housing (316) forward and rearward end walls (316A, 316B). The mainshaft (362) is supported solely by tapered surfaces at the forward and rearward ends thereof, which abut complimentary tapered surfaces on or carried by the rearward end of the input shaft (318) and forward end of the output shaft (358).

REFERENCES:
patent: 4226135 (1980-10-01), Winter
patent: 4375171 (1983-03-01), Morscheck
patent: 4627301 (1986-12-01), Bainbridge et al.
patent: 4754665 (1988-07-01), Vandervoort
patent: 4802375 (1989-02-01), Stodt
patent: 4831894 (1989-05-01), Braun
patent: 4944197 (1990-07-01), Stine et al.

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