BACKREST ADJUSTING MECHANISM AND A SEAT WITH THE SAME
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United States of America Patent
Stats
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N/A
Issued Date -
Jun 13, 2024
app pub date -
Feb 20, 2024
filing date -
Mar 9, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The backrest adjusting mechanism includes an adjusting base, a cushion, a supporting frame, a backrest, an air pressure rod, a connecting rod and a steel wire core; the cushion is fixed to a top of the adjusting base; the supporting frame is rotationally connected to a rear end of the adjusting base; the backrest is fixed on the supporting frame; the air pressure rod is rotationally connected with the supporting frame; the rear end of the base is provided with a fixing frame; the connecting rod is rotationally connected with the fixing frame and a movable rod; the connecting rod and the fixing frame are both provided with a limiting block; when the backrest is used, two of the limiting blocks are propped against each other to fix the backrest at a specific position.
First Claim
Other Claims data not available