Patent ID: 8939816
Filing Date: 2015-01-27
Classification: B24B

Abstract:
1. A handheld grinder, comprising: a main body defining an active space, a transmission portion provided on said main body, and a wheel guard structure, including: a coupling member being coupled to said main body around said transmission portion; a protective hood rotatably mounted to said coupling member at a center thereof, wherein said protective hood is provided with an engagement means defining a plurality of indentations, and allowed to be rotated about said coupling member at a predetermined angle; and a control member having a protrusion which can engage with one of said indentations of said engagement means, said control member including an end portion located in said active space of said main body, said end portion being insertedly connected to one end of a connecting pin located in said active space of said main body, the other end of said connecting pin being affixed to said main body, said connecting pin being fitted with a bush between its two ends and a coil spring around said bush, whereby said control member can cooperate with said coil spring and said bush to allow said protective hood to be fixed at an angle position when said control member is in normal condition, and to allow said control member to be tilted about said bush by a user to allow said control member to be clear of said engagement means, so that said protective hood can be rotated about said coupling member.