US 11,653,722 B2
Multi-point safety belt buckle with dustproof function
Wen-Yuan Wu, Changhua Hsien (TW)
Assigned to TAIWAN RACING PRODUCTS CO., LTD., Changhua Hsien (TW)
Filed by TAIWAN RACING PRODUCTS CO., LTD., Changhua Hsien (TW)
Filed on Oct. 20, 2021, as Appl. No. 17/505,777.
Prior Publication US 2023/0123880 A1, Apr. 20, 2023
Int. Cl. A44B 11/25 (2006.01)
CPC A44B 11/2542 (2013.01) [A44B 11/2576 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A safety belt buckle comprising:
a buckle body, a plurality of latch plates, and a dustproof cover;
wherein:
the buckle body includes a base and a top cap;
the base is combined with the top cap and has a periphery provided with a plurality of insertion slots;
the latch plates are mounted on the buckle body;
each of the latch plates has a first end provided with a belt fastening portion and a second end provided with a locking portion;
the locking portion of each of the latch plates is provided with a locking hole;
the dustproof cover is mounted on a lower end of the base;
the dustproof cover is provided with a plurality of passages aligning with the insertion slots of the base respectively;
the locking portion of each of the latch plates is inserted through one of the passages of the dustproof cover into one of the insertion slots of the base;
the locking portion of each of the latch plates is provided with a clamping section;
the clamping section of each of the latch plates is arranged between the belt fastening portion and the periphery of the base when the locking portion of each of the latch plates is inserted into one of the insertion slots of the base;
the clamping section of each of the latch plates seals one of the passages of the dustproof cover and stops one of the insertion slots of the base when the locking portion of each of the latch plates is inserted through one of the passages of the dustproof cover into one of the insertion slots of the base;
the locking portion of each of the latch plates is clamped by one of the passages of the dustproof cover when the locking portion of each of the latch plates is inserted through one of the passages of the dustproof cover into one of the insertion slots of the base; and
each of the passages of the dustproof cover has two sides each having a width increased gradually from an inner edge toward an outer edge thereof, and the locking portion of each of the latch plates is swingable slightly in one of the passages of the dustproof cover.