PATENT CLAIM ANALYSIS

Application Number: 16174289
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["360", "099080"]

Abstract:
A hollow shaft includes a hollow portion extending in an axial direction from an opening that is open at one end of the hollow shaft in the axial direction. The hollow shaft further includes a first communicating hole establishing radial communication between the hollow portion and an axial space between an upper lubricating oil and a lower lubricating oil. The hollow shaft further includes a second communicating hole establishing radial communication between the hollow portion and an unsealed space inside the motor. The unsealed space is connected to an external space outside the motor. The hollow shaft further includes a sealing member closing the opening. The hollow shaft has, in an inner peripheral surface facing the hollow portion, a recess recessed radially outward. A part of the sealing member is fitted into the recess.

Claim (Index 18):
The disk drive according to  claim 15 , wherein\n an axial position of the first side surface gradually ascends from a radially inner side toward a radially outer side of the hollow shaft.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 97.0
- Lexical Diversity: 2.34426
- Patent Class: 360.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16174288', '16118435', '13789796', '13197820', '13790089']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7312891238366259
- 35 USC 102 Novelty (BERT): 0.5159369241390844
- Combined Prediction Score: 0.7097539038668718
- Mean Citation Score: 251.5921
- Max Citation Score: 291.36996
- Similarity Product: 202.64808977587228

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

Dataset: test