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 19):
The tension device according to  claim 10 , wherein the base plate comprises two pieces of plates, the hinges are secured to one of the two pieces of plates, and the other of the two pieces of the plates is secured to the bracket.

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): 0.7474700928113132
- 35 USC 102 Novelty (BERT): 0.4703276274285737
- Combined Prediction Score: 0.7197558462730392
- Mean Citation Score: 200.55402
- Max Citation Score: 219.46193
- Similarity Product: 158.21812377121685

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

Dataset: test