Vertically Adjustable Scope Base for Parallax Compensation

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Solution Overview

Problem

Current optical sights suffer from parallax-induced aiming errors, particularly at increased distances, due to the misalignment of the reticle and magnified image, leading to frequent reticle adjustments that cause wear and tear, and permanently calibrated sights are limited in their range of effectiveness.

Innovation Solution

A vertically adjustable scope base with an incline mechanism that adjusts the optical sight's position to compensate for parallax, allowing for quick recalibration without frequent reticle adjustments, using a rail assembly, incline mechanism, and incline adjuster to precisely position the optical sight.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the reticle positioning is frequently adjusted to compensate for parallax at varying distances, then the optical sight can effectively compensate for parallax induced errors, but the mechanisms within the optical sight suffer from wear and tear and may require replacement

Engineering Contradiction:
Improveparallax compensation capabilityVSAvoidmechanism durability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent introduces an intermediary mechanical device (incline mechanism with gear system) between the scope base and the optical sight. This intermediary mechanism absorbs the adjustment movements, preventing direct wear on the optical sight's internal reticle adjustment mechanisms. The gear system acts as a mediator that translates rotational movement into precise angular adjustments while protecting the fragile internal components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If the reticle is readjusted frequently to verify calibration distance, then the optical sight can be calibrated for different ranges, but this process is time consuming and frustrating for users

Engineering Contradiction:
Improvecalibration accuracyVSAvoidcalibration time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent implements preliminary action by providing pre-marked angular positions on the incline mechanism that correspond to standard calibration distances (e.g., 100 yards, 200 yards). Users can directly select the appropriate pre-marked position based on their intended shooting range, eliminating the need for time-consuming iterative reticle adjustments and verification. The calibration information is prepared in advance and made readily accessible.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If permanently calibrated optical sights are used, then the mechanisms are not subject to wear and tear from frequent adjustments, but the sights are unable to effectively compensate for parallax outside their intended range

Engineering Contradiction:
Improvemechanism durabilityVSAvoidrange flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent transforms the static, fixed-calibration system into a dynamic, adjustable system. The incline mechanism with its gear system and multiple angular positions enables the scope base to adapt to different shooting ranges and parallax conditions. This dynamic structure allows users to change the calibration angle on-demand, combining the durability of a fixed system with the flexibility of an adjustable system.

Inventive Principle:
Principle #15Dynamics

4Measurement precision

If adjustable optical sights with parallax compensation mechanisms are used, then parallax induced errors can be compensated within a specific distance range, but frequent repositioning is required at greater distances

Engineering Contradiction:
Improveparallax compensation accuracyVSAvoidoperational convenience
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent applies segmentation by dividing the continuous adjustment range into discrete, pre-calibrated angular segments on the incline mechanism. Each segment corresponds to a specific distance range with optimized parallax compensation. This segmented approach allows users to quickly select the appropriate segment for their target distance without requiring fine-tuned continuous adjustments, improving operational convenience while maintaining precision within each segment.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS8763299B2Vertically adjustable scope base
Publication Date: 2014.07.01 LAUFFS HUBERT PAUL
  • US8763299B2 patent drawing
  • US8763299B2 patent drawing
  • US8763299B2 patent drawing

AI summary

A vertically adjustable scope base designed to mitigate parallax induced aiming errors. The apparatus comprises a rail assembly, a front base, a rear base, a pivot fastener, an incline mechanism, and an incline adjuster. The rail assembly comprises an optics mount, a pivot mount, an inline mechanism mount. The front base comprises a pivot mechanism. The rear base comprises a threaded sleeve. The front base and the rear base each comprise an attachment mechanism to mount the apparatus to a weapon system. The Incline mechanism comprises a housing, a first and second bevel gear, and a threaded extension rod. The incline adjuster comprises an axle assembly, a dial, and a base. The configuration of these components and sub-components allow a user to quickly and precisely adjust an optical sight's angle of incline instead of repositioning the reticle to align the crosshairs with an intended point of impact.