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Center Drop Axle For Heavy Vehicles

Abstract: The center drop axle (9) has an upper member (10), a lower member (11), a pair of spindles (12) and a pair of flanges (13). A drop (19, 20) is provided in the upper member (10) and the lower member (11) and the edges of the drop (19, 20) are provided at the center of the upper member (10) and lower member (11) and are placed to face each other. The upper member (10) and the lower member (11) form a hollow beam having a box section (26), and the length (H), width (W) and thickness of the upper member (10) and lower member (11) are made equal to each other. The spindle (12) is made of a hollow steps shaped cylindrical tube. In another embodiment for the axle (27), the spindles (30) are made of cylindrical solid bar. The axle is made of hot forging process. The shape of center drop axles (9, 27) for the heavy vehicle is more efficient to resist bending, buckling and torsion. [Figure 4]

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Patent Information

Application #
Filing Date
28 May 2021
Publication Number
43/2023
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

ASHOK LEYLAND LIMITED
No. 1, Sardar Patel Road, Guindy, Chennai 600 032, India

Inventors

1. A. Sahaya Grinspan
Product development, Technical centre, Ashok Leyland Ltd., Vellivoyal Chavadi Chennai-600 103, Tamil Nadu, India
2. Devendra Singh
Product development, Technical centre, Ashok Leyland Ltd., Vellivoyal Chavadi Chennai-600 103, Tamil Nadu, India
3. R. Nithyanandhan
Product development, Technical centre, Ashok Leyland Ltd., Vellivoyal Chavadi Chennai-600 103, Tamil Nadu, India
4. G. Karunakaran
Product development, Technical centre, Ashok Leyland Ltd., Vellivoyal Chavadi Chennai-600 103, Tamil Nadu, India
5. Sathya Prasad Mangalaramanan
Product development, Technical centre, Ashok Leyland Ltd., Vellivoyal Chavadi Chennai-600 103, Tamil Nadu, India

Specification

Claims:Please see the attachments. , Description:Please see the attachments.

Documents

Application Documents

# Name Date
1 202141023814-STATEMENT OF UNDERTAKING (FORM 3) [28-05-2021(online)].pdf 2021-05-28
2 202141023814-REQUEST FOR EXAMINATION (FORM-18) [28-05-2021(online)].pdf 2021-05-28
3 202141023814-FORM-8 [28-05-2021(online)].pdf 2021-05-28
4 202141023814-FORM 18 [28-05-2021(online)].pdf 2021-05-28
5 202141023814-FORM 1 [28-05-2021(online)].pdf 2021-05-28
6 202141023814-FIGURE OF ABSTRACT [28-05-2021(online)].jpg 2021-05-28
7 202141023814-DRAWINGS [28-05-2021(online)].pdf 2021-05-28
8 202141023814-COMPLETE SPECIFICATION [28-05-2021(online)].pdf 2021-05-28
9 202141023814-Proof of Right [13-07-2021(online)].pdf 2021-07-13
10 202141023814-FORM-26 [13-08-2021(online)].pdf 2021-08-13
11 202141023814-Correspondence And Form-1_18-10-2021.pdf 2021-10-18
12 202141023814-Correspondence_Form-26_18-08-2022.pdf 2022-08-18
13 202141023814-FER.pdf 2025-10-17

Search Strategy

1 202141023814_SearchStrategyNew_E_SearchHistoryE_16-10-2025.pdf