US 11,938,609 B2
Electric circular saw
Shaojun Wang, Nanjing (CN); and Rong Wang, Nanjing (CN)
Assigned to Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed by Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed on Aug. 19, 2021, as Appl. No. 17/406,129.
Claims priority of application No. 202010866309.4 (CN), filed on Aug. 25, 2020.
Prior Publication US 2022/0063082 A1, Mar. 3, 2022
Int. Cl. B25F 5/02 (2006.01); B27G 19/04 (2006.01)
CPC B25F 5/02 (2013.01) [B27G 19/04 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electric circular saw, comprising:
a base comprising a saw blade slot;
a body comprising a casing and a drive mechanism disposed in the casing;
a saw blade driven to rotate about a first axis by the drive mechanism, wherein the saw blade is disposed in the saw blade slot along a front-and-back direction; and
a shield disposed on an outer circumference of the saw blade, wherein the shield comprises a fixed shield, the fixed shield comprises a first sidewall, a second sidewall and a connecting wall, the first sidewall disposed on the side of the saw blade close to the drive mechanism, the second sidewall is disposed on the side of the saw blade away from the drive mechanism, the connecting wall connects the first sidewall and the second sidewall, and the first sidewall is provided with a window for a user's line of sight to view the saw blade,
wherein the body comprises a main handle and an auxiliary handle, the auxiliary handle is disposed on a front side of the main handle, the window has an upper extreme position farther from the base, and a cutting point of the saw blade on a product is defined as a position of saw tip, a straight line passes through the upper extreme position of the window and the position of saw tip is defined as a visible line, and the auxiliary handle is configured to deviate from the visible line, and
wherein a distance L2 between an inner end surface of the auxiliary handle facing towards the saw blade and the saw blade is greater than a distance L5 between an end surface of the main handle facing towards the saw blade and the saw blade.