Most likely designing our own custom latch+handle assembly
Some videos on latches
https://www.youtube.com/watch?v=v3iUZ-UmbOQ
https://www.youtube.com/watch?v=U4CWCrjODPE
https://www.youtube.com/watch?v=bGk6xT80VgM
Rotary Latch
Cars typically use two-stage latch, as it provides safety to “false” latching, meaning that it prevents the event of accidentally opening or not completely closing a door.
The double rotor provides more tolerance to misalignment and can withstand greater loading than the single rotor.
Handle
Functional Requirements:
Non-functional requirements:
Aesthetically pleasing
Easy to access and use
Easy to manufacture
Good durability
Constraints:
Some handle ideas (exterior)
Some Videos on Exterior Handle Mechanism
https://www.youtube.com/watch?v=9LBbjwAmvBc&list=WL&index=14&t=376s
https://www.youtube.com/watch?v=rGkd_hB-nKQ&list=WL&index=12
Concept Design:
Handle Design
2. Handle Cover
Spring Mechanism: