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Hand lift truck

A pallet truck and weight technology, applied in the field of manual lifting pallet trucks, can solve the problems of fragile marks, hindering reliable weighing functions, and parallax reading mark hazards, etc.

Inactive Publication Date: 2013-04-10
RAVAS EURO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] While this in itself provides a solution for determining datum heights, such markings are fragile and often not easily identifiable by the user
Also, there is a danger of parallax reading the marks if they are viewed by different users at different viewing angles
Also, the markings eventually become damaged or unrecognizable, thereby preventing reliable weighing functions

Method used

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Examples

Experimental program
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Embodiment Construction

[0016] The figures are substantially schematic and not drawn to scale. In particular, some dimensions and components are exaggerated to a greater or lesser extent for clarity. Where possible, corresponding parts are indicated by the same reference numerals in the figures.

[0017] figure 1 The illustrated hand lift truck comprises a load platform in the form of a set of pallet forks 11 , 12 and is therefore commonly referred to as a pallet truck or hand pallet truck. The pallet forks 11 , 12 extend from a so-called A-frame 10 whose left and right sides meet at a shared head 13 and are connected to each other. All sections 11..13 are made of strong sealing or durable steel and are combined by welding to form a unified whole.

[0018] see also Figure 2A with Figure 2B , the head 13 is disposed on an output drive rod 14 of a hydraulic pump 15 manually operated by a control arm 16 . The control arm 16 is also used for manual displacement and steering of the pallet truck. ...

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PUM

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Abstract

A hand lift truck comprises a rolling frame ( 10..13) with at least one height-adjustable load platform (11,12) for receiving a cargo thereon. Electronic weighing means (70) are herein provided to determine a mechanical deformation of a part (13) of the frame resulting from a loading of the load platform and to determine therefrom a weight indication of an actual loading of the load platform and to display this to a user on a display panel (85). According to the invention height-indicating means which indicate the reference height are provided in the form of an electronic sensor (88) which determines a height adjustment of the load platform by electronic means and generates an electronic height signal thereof to electronic processing means. The processing means determine therefrom an actual height of the load platform and are coupled to signalling means for the purpose, at least when the reference height is reached, of generating an indication thereof the user.

Description

technical field [0001] The invention relates to a hand lift truck comprising a rolling frame having at least one load platform for receiving cargo thereon, wherein the load platform is coupled to a lifting device enabling a user to change the height of the load platform relative to the ground electronic weighing equipment is provided that is capable and adapted to determine the mechanical deformation of a part of the frame resulting from loading of the load platform and to generate an electronic weighing signal at least at the reference height of the load platform as an indication of the actual loaded weight of the load platform, Wherein a weighing device is coupled to an electronic processing device having a display panel for the purpose of displaying an indication of weight to a user, and wherein an altitude indicating device indicating a reference altitude is provided. Background technique [0002] Such a manual lift truck is known, for example, from the applicant's Europ...

Claims

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Application Information

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IPC IPC(8): B62B3/06G01G19/08
CPCB62B3/06B62B2203/50G01G19/08B62B3/0606G01G19/083G01G19/12
Inventor H·P·M·范苏梅仑
Owner RAVAS EURO
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