Patent ID: 11938992
Assignee: WONDERLAND SWITZERLAND AG
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. A handle height adjusting mechanism comprising:
an upper fixing base;
a lower fixing base pivoted to the upper fixing base; and
an engaging component movably disposed between the upper fixing base and the lower fixing base and for engaging with the upper fixing base and the lower fixing base, the engaging component comprising a protrusion,
wherein the upper fixing base comprises a first engaging portion, and a width of the first engaging portion is greater than a width of the protrusion,
wherein a blocking portion is disposed on a side of the first engaging portion and for abutting against the protrusion, and the upper fixing base is allowed to rotate within a predetermined angular range when the engaging component separates from the upper fixing base and the protrusion engages with the first engaging portion,
wherein the engaging component is a gear, the upper fixing base comprises at least one first gear tooth, the lower fixing base comprises at least one second gear tooth for engaging with the gear, and the gear engages with the at least one first gear tooth when the gear slides into the upper fixing base, and
wherein the width of the first engaging portion is equal to a sum of the width of the protrusion and a tooth pitch of the engaging component.