Transmissions

Claim 2

In a multispeed constant-mesh-gear transmission of the type having a plurality of shafts, gears and bidirectionally engageable clutches, the combination comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first shaft lying in a common plane with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first shaft and drivingly connected with said first gear so as to rotate in the same direction therewith; e. a second shaft axially aligned with and capable of bidirectional rotation with respect to said input shaft; f. first clutch means for connecting said input shaft with said second shaft; j g. second clutch means for connecting said second gear to said first shaft for conjoint rotation therewith; h. a third gear fixed to said second shaft; i. a fourth gear fixed to said first shaft and in mesh with said third gear; j. a third shaft axially aligned with one of said first and second shafts and capable of bidirectional rotation with respect to said input shaft; k. third clutch means for connecting said third shaft with one of said first and second shafts; l. a fifth gear mounted on and capable of being rotated with respect to said tHird shaft; m. fourth clutch means for connecting said fifth gear to said third shaft; n. a sixth gear fixed to said third shaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft capable of bidirectional rotation with respect to said input shaft; and p. means for drivingly connecting said output shaft with at least said sixth gear, with all of said shafts lying in a common plane.

Claim 3

In the transmission of claim 1 wherein said connecting means includes: a. a fourth shaft vertically aligned with said input shaft; b. a seventh gear fixed to said fourth shaft and in mesh with said fourth gear; c. an eighth gear fixed to said fourth shaft and in mesh with said fifth gear; d. a fifth shaft axially aligned with said fourth shaft; e. fifth clutch means for connecting said fourth shaft to said fifth shaft for conjoint rotation therewith; f. a ninth gear fixed to said fifth shaft and in mesh with said sixth gear; and g. a tenth gear fixed to said output shaft and in mesh with said ninth gear, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 4

In the transmission of claim 1 wherein said connecting means includes: a. a fourth shaft vertically aligned with said input shaft; b. a seventh gear fixed to said fourth shaft and in mesh with said fourth gear; c. an eighth gear fixed to said fourth shaft and in mesh with said fifth gear; d. a fifth shaft axially aligned with said fourth shaft; e. a ninth gear fixed to said fifth shaft and in mesh with said sixth gear; f. a tenth gear mounted on and capable of being rotated with respect to said output shaft; g. an eleventh gear fixed to said fifth shaft and in mesh with said tenth gear; h. a twelfth gear mounted on and capable of being rotated with respect to said output shaft; i. a thirteenth gear fixed to said fifth shaft and in mesh with said twelfth gear; and j. means for alternately connecting one of said tenth and twelfth gears to said output shaft for conjoint rotation therewith, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 5

In the transmission of claim 1 wherein said connecting means includes: a. fourth shaft vertically aligned with said input shaft; b. a seventh gear fixed to said fourth shaft and in mesh with said fourth gear; c. an eighth gear fixed to said fourth shaft and in mesh with said fifth gear; d. fifth clutch means for connecting said fourth shaft to said output shaft for conjoint rotation therewith; and e. a ninth gear fixed to said output shaft and in mesh with said sixth gear, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 6

In the transmission of claim 1, said combination further including a seventh gear fixed to said second shaft and in mesh with said fifth gear, and wherein said connecting means includes: a. a fourth shaft vertically aligned with said input shaft; b. an eighth gear mounted on and capable of being rotated with respect to said fourth shaft and in mesh with said fifth gear; c. fifth clutch means for connecting said eighth gear to said fourth shaft for conjoint rotation therewith; d. a ninth gear fixed to said fourth shaft and in mesh with said sixth gear; and e. a tenth gear fixed to said output shaft and in mesh with said ninth gear, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 7

In the transmission of claim 1, said combination further including a seventh gear fixed to said second shaft and in mesh with said fifth gear and wherein said connecting means includes: a. an eighth gear mounted on and capable of being rotated with respect to said output shaft and in mesh with said fifth gear; b. fifth clutch means for connecting said eighth gear to said output shaft for conjoint rotation therewith; and c. a ninth gear fixed to said output shaft and in mesh with said sixth gear, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 8

In the transmission of claim 1 wherein said connecting means includes: a. a seventh gear fixed to said output shaft and in mesh with said sixth gear; b. an eighth gear fixed to said second shaft and in mesh with said fifth gear; and c. fifth clutch means for connecting said second shaft to said output shaft for conjoint rotation therewith, with said output shaft being axially aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 9

In the transmission of claim 1 wherein said connecting means includes: a. a seventh gear fixed to said output shaft and in mesh with said sixth gear; b. an eighth gear fixed to said first shaft and in mesh with said fifth gear; and c. fifth clutch means for connecting said first shaft to said output shaft for conjoint rotation therewith, with said output shaft being vertically aligned with said input shaft and selective engagement of one of said first and second clutch means permitting alternate directional rotation of said output shaft.

Claim 10

In the transmission of claim 1, said combination further including a power takeoff shaft concentric with said second shaft and connected to said input shaft for conjoint rotation therewith.

Claim 11

In the transmission of claim 1 wherein said connecting means includes at least one gear journalled on and bidirectionally rotatable with said output shaft, said connecting means further including means for selectively connecting and disconnecting said at least one gear with respect to said output shaft.

Claim 12

In a multispeed constant-mesh-gear transmission of the type having a plurality of drivingly interconnected gears, shafts and clutches, the combination comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bi-directionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. bidirectionally engageable fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft said fifth gear being located intermediate Said third clutch means and said sixth gear; o. an output shaft vertically aligned with said countershafts and bidirectionally rotatable with respect to said input shaft; and p. means for drivingly connecting said output shaft with at least said sixth gear.

Claim 13

In a multispeed constant-mesh-gear transmission of the type having a plurality of drivingly interconnected gears, shafts and clutches, the combination comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bi-directionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. bidirectionally engageable fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft said fifth gear being located intermediate Said third clutch means and said sixth gear; o. an output shaft vertically aligned with said countershafts and bidirectionally rotatable with respect to said input shaft; and p. means for drivingly connecting said output shaft with at least said sixth gear.

Claim 14

In the transmission of claim 11 wherein said connecting means includes: a. a second shaft vertically aligned with said input shaft; b. a seventh gear fixed to said second shaft and in mesh with said fourth gear; c. an eighth gear fixed to said second shaft and in mesh with said fifth gear; d. a third shaft axially aligned with said second shaft; e. bidirectionally engageable fifth clutch means for connecting said second shaft to said third shaft for conjoint rotation therewith; f. a ninth gear fixed to said third shaft and in mesh with said sixth gear; and g. a tenth gear fixed to said output shaft and in mesh with said ninth gear, with said output shaft being vertically aligned with said input shaft.

Claim 15

In the transmission of claim 11 wherein said connecting means includes: a. a second shaft vertically aligned with said input shaft; b. a seventh gear fixed to said second shaft and in mesh with said fourth gear; c. an eighth gear fixed to said second shaft and in mesh with said fifth gear; d. a third shaft axially aligned with said second shaft; e. a ninth gear fixed to said third shaft and in mesh with said sixth gear; f. a tenth gear mounted on and capable of being rotated with respect to said output shaft; g. an eleventh gear fixed to said third shaft and in mesh with said tenth gear; h. a twelfth gear mounted on and capable of being rotated with respect to said output shaft; i. a thirteenth gear fixed to said third shaft and in mesh with said twelfth gear; and j. means for alternately connecting one of said tenth and twelfth gears to said output shaft for conjoint rotation therewith, with said output shaft being vertically aligned with said input shaft.

Claim 16

In the transmission of claim 11 wherein said connecting means includes: a. a second shaft vertically aligned with said input shaft; b. a seventh gear fixed to said second shaft and in mesh with said fourth gear; c. an eighth gear fixed to said second shaft and in mesh with said fifth gear; d. bidirectionally engageable fifth clutch means for connecting said second shaft to said output shaft for conjoint rotation therewith; and e. a ninth gear fixed to said output shaft and in mesh with said sixth gear, with said output shaft being vertically aligned with said input shaft.

Claim 17

In the transmission of claim 11, said combination further including a seventh gear fixed to said first shaft and in mesh with said fifth gear, and wherein said connecting means includes: a. a second shaft vertically aligned with said input shaft; b. an eighth gear mounted on and capable of being rotated with respect to said second shaft and in mesh with said fifth gear; c. bidirectionally engageable fifth clutch means for connecting said eighth gear to said second shaft for conjoint rotation therewith; d. a ninth gear fixed to said second shaft and in mesh with said sixth gear; and e. a tenth gear fixed to said output shaft and in mesh with said ninth gear, with said output shaft being vertically aligned with said input shaft.

Claim 18

In the transmission of claim 11, said combination further including a seventh gear fixed to said first shaft and in mesh with said fifth gear and wherein said connecting means includes: a. an eighth gear mounted on and capable of being rotated with respect to said output shaft and in mesh with said fifth gear; b. bidirectionally engageable fifth clutch means for connecting said eighth gear to said output shaft for conjoint rotation therewith; and c. a ninth gear fixed to said output shaft and in mesh with said sixth gear, with said output shaft being vertically aligned with said input shaft.

Claim 19

In the transmission of claim 11 wherein said connecting means includes: a. a seventh gear fixed to said output shaft and in mesh with said sixth gear; b. an eighth gear fixed to said first shaft and in mesh with said fifth gear; and c. bidirectionally engageable fifth clutch means for connecting said first shaft to said output shaft for conjoint rotation therewith, with said output shaft being axially aligned with said input shaft.

Claim 20

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a firat countershaft vertically aligned with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear for similar unidirectional rotation therewith; e. a shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being bidirectionally rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft capable of bidirectional rotation with respect to said input shaft, with the engagement of one and the disengagement of the other one of said first and second clutch means permitting alternate directional rotation of said output shaft; and p. means including fifth clutch means for drivingly connecting said output shaft with at least said sixth gear, with all of said shafts and countershafts lying in a common vertical plane.

Claim 21

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a firat countershaft vertically aligned with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear for similar unidirectional rotation therewith; e. a shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being bidirectionally rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft capable of bidirectional rotation with respect to said input shaft, with the engagement of one and the disengagement of the other one of said first and second clutch means permitting alternate directional rotation of said output shaft; and p. means including fifth clutch means for drivingly connecting said output shaft with at least said sixth gear, with all of said shafts and countershafts lying in a common vertical plane.

Claim 22

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a countershaft vertically aligned with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said countershaft and in mesh with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with and capable of bidirectional rotation with respect to said input shaft; f. first clutch means for connecting said input shaft to said first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said countershaft for conjoint rotation therewith; h. a third gear fixed to said first shaft; i. a fourth gear fixed to said countershaft and in mesh with said third gear; j. a second shaft axially aligned with and capable of bidirectional rotation with respect to said first shaft; k. third clutch means for connecting said first shaft to said second shaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second shaft; m. fourth clutch means for connecting said fifth gear to said second shaft for conjoint rotation therewith; n. a sixth gear fixed to said second shaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft vertically aLigned with and capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to said output shaft and in mesh with said sixth gear; q. an eighth gear fixed to said countershaft and in mesh with said fifth gear; and r. fifth clutch means for connecting said countershaft to said output shaft for conjoint rotation therewith.

Claim 23

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a countershaft vertically aligned with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said countershaft and in mesh with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with and capable of bidirectional rotation with respect to said input shaft; f. first clutch means for connecting said input shaft to said first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said countershaft for conjoint rotation therewith; h. a third gear fixed to said first shaft; i. a fourth gear fixed to said countershaft and in mesh with said third gear; j. a second shaft axially aligned with and capable of bidirectional rotation with respect to said first shaft; k. third clutch means for connecting said first shaft to said second shaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second shaft; m. fourth clutch means for connecting said fifth gear to said second shaft for conjoint rotation therewith; n. a sixth gear fixed to said second shaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft vertically aLigned with and capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to said output shaft and in mesh with said sixth gear; q. an eighth gear fixed to said countershaft and in mesh with said fifth gear; and r. fifth clutch means for connecting said countershaft to said output shaft for conjoint rotation therewith.

Claim 24

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in same direction therewith; e. a first shaft axially aligned with and capable of bidirectional rotation with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. a second shaft vertically aligned with said countershafts and capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to one of said first and second shafts and in mesh with one of said fourth and fifth gears; q. an output shaft vertically aligned with said countershafts, and bidirectionally rotatable with respect to said input shaft; r. a gear fixed to said output shaft; and s. means including fifth clutch means for drivingly connecting said output shaft gear with said sixth gear.

Claim 25

A multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in same direction therewith; e. a first shaft axially aligned with and capable of bidirectional rotation with respect to said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. a second shaft vertically aligned with said countershafts and capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to one of said first and second shafts and in mesh with one of said fourth and fifth gears; q. an output shaft vertically aligned with said countershafts, and bidirectionally rotatable with respect to said input shaft; r. a gear fixed to said output shaft; and s. means including fifth clutch means for drivingly connecting said output shaft gear with said sixth gear.

Claim 26

The transmission of claim 20 wherein said connecting means includes: a. an eighth gear fixed to said second shaft and in mesh with said fifth gear; b. a third shaft axially aligned with said second shaft and bidirectionally rotatable with respect to said input shaft; and c. a ninth gear fixed to said third shaft and in mesh with said sixth and output-shaft gears, with said fifth clutch means connecting said second and third shafts for conjoint rotation.

Claim 27

The transmission of claim 20 wherein said connecting means includes: a. an eighth gear mounted on and capable of being rotated with respect to said second shaft and in mesh with said fifth gear; and b. a ninth gear fixed to said second shaft and in mesh with said sixth and output-shaft gears, with said fifth clutch means connecting said eighth gear to said second shaft for conjoint rotation therewith.

Claim 28

A multispeed constant-mesh-gear transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first shaft lying in a common plane with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first shaft and drivingly connected with said first gear for parallel rotation therewith; e. a second shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft with said second shafT; g. second clutch means for connecting said second gear to said first shaft for conjoint rotation therewith; h. a third gear fixed to said second shaft; i. a fourth gear fixed to said first shaft and in mesh with said third gear; j. a third shaft axially aligned with one of said first and second shafts and capable of bidirectional rotation with respect to said input shaft; k. third clutch means for connecting said third shaft with one of said first and second shafts; l. a fifth gear mounted on and capable of being bidirectionally rotated with respect to said third shaft; m. fourth clutch means for connecting said fifth gear to said third shaft; n. a sixth gear fixed to said third shaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to said output shaft and in mesh with said sixth gear; q. an eighth gear fixed to one of said first and second shafts and in mesh with said fifth gear; and r. fifth clutch means for connecting one of said first and second shafts to said output shaft for conjoint rotation therewith, with all of said shafts lying in a common vertical plane with all of said clutch means being bidirectionally engageable and only one of said first and second clutch means as well as only one of said third, fourth and fifth clutch means being simultaneously engaged to provide rotation of said output shaft.

Claim 29

A multispeed constant-mesh-gear transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first shaft lying in a common plane with and capable of bidirectional rotation with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first shaft and drivingly connected with said first gear for parallel rotation therewith; e. a second shaft axially aligned with and bidirectionally rotatable with respect to said input shaft; f. first clutch means for connecting said input shaft with said second shafT; g. second clutch means for connecting said second gear to said first shaft for conjoint rotation therewith; h. a third gear fixed to said second shaft; i. a fourth gear fixed to said first shaft and in mesh with said third gear; j. a third shaft axially aligned with one of said first and second shafts and capable of bidirectional rotation with respect to said input shaft; k. third clutch means for connecting said third shaft with one of said first and second shafts; l. a fifth gear mounted on and capable of being bidirectionally rotated with respect to said third shaft; m. fourth clutch means for connecting said fifth gear to said third shaft; n. a sixth gear fixed to said third shaft, said fifth gear being located intermediate said third clutch means and said sixth gear; o. an output shaft capable of bidirectional rotation with respect to said input shaft; p. a seventh gear fixed to said output shaft and in mesh with said sixth gear; q. an eighth gear fixed to one of said first and second shafts and in mesh with said fifth gear; and r. fifth clutch means for connecting one of said first and second shafts to said output shaft for conjoint rotation therewith, with all of said shafts lying in a common vertical plane with all of said clutch means being bidirectionally engageable and only one of said first and second clutch means as well as only one of said third, fourth and fifth clutch means being simultaneously engaged to provide rotation of said output shaft.

Claim 30

A dual range multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said fixth gear; o. an output shaft vertically aligned with said countershafts and capable of bidirectional rotation with respect to said input shaft; p. a second shaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; q. a seventh gear fixed to said second shaft and in mesh with said fourth gear; r. an eighth gear fixed to said second shaft and in mesh with said fifth gear; s. a third shaft axially aligned with said second shaft and bidirectionally rotatable with respect to said input shaft; t. a ninth gear fixed to said third shaft and in mesh with said sixth gear; u. a tenth gear mounted on and capable of being rotated with respect to said output shaft; v. an eleventh gear fixed to said third shaft and in mesh with said tenth gear; w. a twelfth gear mounted on and capable of being rotated with respect to said output shaft; x. a thirteenth gear fixed To said third shaft and in mesh with said twelfth gear; and y. means for alternately connecting one of said tenth and twelfth gears to said output shaft for conjoint rotation therewith; thereby permitting rotation of said output shaft through one of the gear trains comprising gears ten and eleven as well as gears twelve and thirteen, respectively.

Claim 31

A dual range multispeed constant-mesh-gear reversible transmission comprising: a. an input shaft; b. a first gear fixed to said input shaft; c. a first countershaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; d. a second gear mounted on and capable of being rotated with respect to said first countershaft and drivingly connected with said first gear so as to rotate in the same direction therewith; e. a first shaft axially aligned with said input shaft; f. first clutch means for connecting said input shaft to said axially aligned first shaft for conjoint rotation therewith; g. second clutch means for connecting said second gear to said first countershaft for conjoint rotation therewith; h. a third gear fixed to said axially aligned first shaft; i. a fourth gear fixed to said first countershaft and in mesh with said third gear; j. a second countershaft axially aligned with said first countershaft and bidirectionally rotatable with respect to said input shaft; k. third clutch means for connecting said first countershaft to said second countershaft for conjoint rotation therewith; l. a fifth gear mounted on and capable of being rotated with respect to said second countershaft; m. fourth clutch means for connecting said fifth gear to said second countershaft for conjoint rotation therewith; n. a sixth gear fixed to said second countershaft, said fifth gear being located intermediate said third clutch means and said fixth gear; o. an output shaft vertically aligned with said countershafts and capable of bidirectional rotation with respect to said input shaft; p. a second shaft vertically aligned with and bidirectionally rotatable with respect to said input shaft; q. a seventh gear fixed to said second shaft and in mesh with said fourth gear; r. an eighth gear fixed to said second shaft and in mesh with said fifth gear; s. a third shaft axially aligned with said second shaft and bidirectionally rotatable with respect to said input shaft; t. a ninth gear fixed to said third shaft and in mesh with said sixth gear; u. a tenth gear mounted on and capable of being rotated with respect to said output shaft; v. an eleventh gear fixed to said third shaft and in mesh with said tenth gear; w. a twelfth gear mounted on and capable of being rotated with respect to said output shaft; x. a thirteenth gear fixed To said third shaft and in mesh with said twelfth gear; and y. means for alternately connecting one of said tenth and twelfth gears to said output shaft for conjoint rotation therewith; thereby permitting rotation of said output shaft through one of the gear trains comprising gears ten and eleven as well as gears twelve and thirteen, respectively.