PATENT CLAIM ANALYSIS

Application Number: 16119015
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-03
Patent Classification: ["198", "336000"]

Abstract:
The present disclosure discloses a tension device for a drive chain of a handrail system of an escalator system, a method and an escalator system including the same. The tension device for the drive chain applies pressures in opposite directions to a drive chain so as to make portions of the drive close to each other to tension the drive chain. The pressures are applied to the drive chain via a weight or a pre-loaded spring. The present disclosure also provides a method for tensioning a drive chain. The present disclosure can eliminate loosening of the drive chain after running several months, eliminate periodic heavy work on site for the escalator system and a drive system comprising the drive chain, and improve quality thereof in a simple, reliable and low cost manner.

Claim (Index 3):
The escalator system according to  claim 1 , wherein the tension device is secured on a bracket which is a truss system of the escalator system.

Metadata:
- Claim Count in Document: 6.0
- Percentile: 96.0
- Lexical Diversity: 2.13636
- Patent Class: 198.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15531497', '10817524', '11902502', '10911565', '10728852']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7463467175332544
- 35 USC 102 Novelty (BERT): 0.4764597692012974
- Combined Prediction Score: 0.7193580227000588
- Mean Citation Score: 200.55402
- Max Citation Score: 219.46193
- Similarity Product: 146.82309860054016

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

Dataset: test