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Dovetail tenon structure

A dovetail tenon and body technology, applied in the field of dovetail tenon structure, can solve problems such as inappropriateness, achieve the effect of increasing the absorption capacity and preventing position deviation

Active Publication Date: 2008-10-01
AUTECH JAPAN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to prevent this from happening, consider reducing the taper of the above-mentioned dovetail 801. At this time, in order to increase the absorption capacity of the seat offset, the overall length of the dovetail 801 must be increased, but other unsuitable situations are likely to occur

Method used

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  • Dovetail tenon structure

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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0053] Hereinafter, the first embodiment of the present invention will be described according to the accompanying drawings. FIG. 1 is a view showing a rotating lift seat 1 adopting the dovetail structure of this embodiment, and the rotating lift seat 1 is installed on a special vehicle.

[0054] The turn lift seat 1 includes a seat body 11 constituting the seat, and an elevating device 12 for supporting the seat body 11 . The lifting device 12 includes a sliding mechanism 14 fixed on the vehicle body floor 13 , a rotating mechanism 15 supported by the sliding mechanism 14 , and a lifting mechanism 16 supported by the rotating mechanism 15 .

[0055] Therefore, the above-mentioned seat body is configured to be able to rotate, slide and lift.

[0056] The swivel mechanism 15 includes a lower swivel body (swivel lower) 21 slidably supported by the vehicle body floor 13 via the sliding mechanism 14 , and an upper swivel body rotatably supported by the lower swivel body 21 via a sw...

no. 2 approach

[0081] FIG. 5 is a view showing a second embodiment of the present invention, and the same reference numerals are used to denote the same components as those of the first embodiment and description thereof will be omitted, and only different parts will be described.

[0082] That is, the above-mentioned upper side 101 of the dovetail 201 includes the above-mentioned base end side upper side 102 forming the above-mentioned holding part 91, the above-mentioned front end side upper side 103 forming the above-mentioned introduction part 92, and the base end side upper side 102 and the front end Connecting upper side surfaces 202 are formed between the upper side surfaces 103 .

[0083] The connecting upper surface 202 is formed of a curved surface that curves downward from the proximal upper surface 102 toward the distal upper surface 103 , and is formed as a surface continuous with the proximal upper surface 102 and the distal upper surface 103 . .

[0084] Therefore, the taper ...

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PUM

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Abstract

The invention provides a dovetail structure, capable of enlarging absorption of deviated seats with uneasy drawing when tabled. A dovetail (61) extending towards a front wall surface (52) of an upper rotor (23) is mounted on a bracket (51) of a seat leg (31), a door dovetail (62) is mounted on a section of the front wall surface (52) facing to the dovetail (61) when in an intake state (41). An upper side (101) of the dovetail (61) is formed by an upper side (102) of a base end side forming a retaining part (91) and au upper side (103) of a front end side forming an introduction part (92). The taper value on the retaining part (91) is different from the same on the introduction part (92) of the dovetail (61), and taper value on the introduction part (92) is bigger than the same on the introduction part (92).

Description

technical field [0001] The invention relates to a dovetail tenon structure for restraining shaking. Background technique [0002] Conventionally, as welfare vehicles, vehicles provided with seat lifting devices have been known. [0003] The seat lifting device includes a sliding mechanism arranged on the bottom plate, a rotating mechanism supported by the sliding mechanism, and a lifting mechanism supported by the rotating mechanism, and the legs of the seat are supported on the arms of the lifting mechanism. [0004] Therefore, in a state where the seat body held by the seat leg is rotated toward the lift port by the rotation mechanism, the arm of the lift mechanism operates, and the seat body moves down while moving toward the vehicle cab. [0005] As shown in Figure 6, a conical dovetail 801 is provided on the seat legs holding the above-mentioned seat body. Door dovetail 804 for insertion. [0006] Therefore, when the arm of the lift mechanism operates to store the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60N2/44B60N2/14B60N2/90
Inventor 福井治中川嘉信
Owner AUTECH JAPAN INC