PATENT CLAIM ANALYSIS

Application Number: 16138504
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-01
Patent Classification: ["384", "558000"]

Abstract:
A double-row self-aligning roller bearing, which is suitable for receiving an axial load and a radial load, and loads having different magnitudes acting on rollers in two rows, and achieves sufficient load capacity for the rollers that receive axial load within the constraint of dimensional standards, is provided. The double-row self-aligning roller bearing includes inner and outer rings; and rollers in two rows arranged in a bearing width direction interposed between the inner and outer rings and having lengths different from each other. The roller has an outer peripheral surface of a cross-sectional shape along a raceway surface of the outer ring having a spherical shape. Length of the longer rollers is equal to or greater than 39% of the bearing width. A ratio of contact angle of the shorter rollers and contact angle of the longer rollers is within a range of 1:4 to 1:2.

Claim (Index 6):
The double-row self-aligning roller bearing as claimed in  claim 1 , further comprising retainers configured to retain the rollers of the respective rows, wherein each retainer includes an annular portion configured to guide axially inner end faces of the rollers of each row; and a plurality of pillar portions extending in an axial direction from the annular portion and provided at predetermined intervals along a circumferential direction, the pillar portions defining therebetween pockets configured to retain the rollers, and wherein the pillar portions of one of the retainers which is configured to retain the longer rollers have an outer diameter surface inclined by an inclination angle inwardly in a radial direction from a proximal end side to a distal end side.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 97.0
- Lexical Diversity: 1.9625
- Patent Class: 384.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10579567', '11663162', '10561020', '10569336', '15080762']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8084102494681537
- 35 USC 102 Novelty (BERT): 0.5207879658813039
- Combined Prediction Score: 0.7796480211094687
- Mean Citation Score: 292.054358
- Max Citation Score: 344.5395200000001
- Similarity Product: 255.22578685062416

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test