US 12,593,923 B1Granted

Robust hinge of a collapsible bed

OwnerChiu-Hsiang Loinventor

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Abstract

A collapsible bed includes a frame and a hinge. The frame includes a longitudinal rod and a crossbar. The hinge includes two connecting pieces, a threaded bolt and a nut. The first connecting piece is connected to the crossbar and includes an intermediate section formed between two lugs and two protuberances extending from the lugs. The second connecting piece is connected to the longitudinal rod and includes a middle section formed between two ears. The second connecting piece spans the longitudinal rod. The ears are placed between the lugs. The threaded bolt extends through the lugs and the ears. The nut is engaged with the threaded bolt so that the longitudinal bar is pivotally connected to the crossbar.

Claims7

Dependent claims

A collapsible bed comprising a frame and a hinge, wherein the frame comprises a longitudinal rod and a crossbar wherein the hinge comprises:

a first connecting piece connected to the crossbar, wherein the first connecting piece comprises two lugs, an intermediate section formed between the lugs, and two protuberances extending from the lugs;
a second connecting piece connected to the longitudinal rod, wherein the second connecting piece comprises two ears and a middle section formed between the ears, wherein the second connecting piece spans the longitudinal rod, wherein the ears are placed between the lugs;
a threaded bolt extending through the lugs and the ears;
and
a nut engaged with the threaded bolt so that the longitudinal bar is pivotally connected to the crossbar.

2 more elements

Dependencies are inferred from the claim text.