Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.3069/MUM/2010 A
(19) INDIA
(22) Date of filing of Application :08/11/2010 (43) Publication Date : 21/06/2013
(54) Title of the invention : AN AUTOMOBILE GEARBOX HAVING INFINITE GEAR RATIOS THAT VARIES IN STEP-
LESS MANNER USING ONLY POSITIVE DRIVES.
(51) International classification
(31) Priority Document No :NA
(32) Priority Date :NA
(33) Name of priority country :NA
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No :N/A
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
:F16H63/42;
F16H61/62
(71)Name of Applicant :
1)MR. PALLICHADATH SATHEESAN MENON
Address of Applicant :B/7, ANNAPURNADAHAM CHS,
2ND LANE, PANDURANGWADI, P.O. DOMBIVLI (E),
THANE DIST., MAHARASHTRA. PIN 421 201
(72)Name of Inventor :
1)MR. PALLICHADATH SATHEEESAN MENON
(57) Abstract :
A gearbox having infinite gear ratios and step-less variation using positive drives, where the input shaft is connected to a slider
arrangement in which a slider can move as required over and along a rod in the plane of the input shaft but inclined at an angle to
the axis of the input shaft so that when the input shaft is rotated the slider starts swiveling whose amplitude can be increased
gradually from zero to a maximum and vice versa by moving the slider along the rod, this swiveling of slider being converted into
oscillations of a rack that engages a pinion attached to the output shaft through one way bearing, the torque multiplication being
made possible by increasing the said amplitude of swivel of the slider that eventually increases the rotational speed of the output
shaft, no torque transferred in the zero swiveling position, the output shaft also turning the input shaft by identical arrangements
but happens only when speed of output shaft is more than the speed of input shaft because of which the output shaft does not feel
sudden decelerations caused by the torque required to turn engine incase the later is suddenly cut off as per traffic requirements,
by the default nature of this gearbox the output shaft can rotate only in the selected direction of rotation either forward or reverse
as it gets locked in the other direction of rotation such that as long as the vehicle fitted with this gearbox is in forward gear it
cannot roll back and vice versa even on a steep, thus the vehicle fitted with this gearbox is assured of a more comfortable and safe
drive.
No. of Pages : 29 No. of Claims : 5
The Patent Office Journal 21/06/2013 13536