发明名称 PROJECTION APPARATUS AND ELEVATING MECHANISM THEREOF
摘要 An elevating mechanism of a projection apparatus includes a housing, a guide slot, an adjustable foot mount, at least one resilient member, and a sliding arm. The guide slot is formed on a surface of the housing and having multiple sections to form a sliding path. At least one section has multiple teeth, and a recess is formed between each two adjacent teeth. The sliding arm has a fixed end and a free end, the fixed end is fixed on the adjustable foot mount, and the free end is slidably coupled to the guide slot. When the sliding arm slides on the section having the teeth, the free end of the sliding arm engages with any of the recesses to hold the adjustable foot mount at a selected position.
申请公布号 US2014300874(A1) 申请公布日期 2014.10.09
申请号 US201414248872 申请日期 2014.04.09
申请人 CHEN YEN-WEI 发明人 CHEN YEN-WEI
分类号 G03B21/14 主分类号 G03B21/14
代理机构 代理人
主权项 1. An elevating mechanism of a projection apparatus, comprising: a housing attached to the inside of the projection apparatus; a guide slot formed on a surface of the housing and having a plurality of sections to form a sliding path, wherein each two adjacent sections are connected and make an included angle with each other, at least one of the sections has multiple teeth, and a recess is formed between each two adjacent teeth; an adjustable foot mount sliding relative to the housing; at least one resilient member disposed inside the housing and leaning against the adjustable foot mount; and a sliding arm having a fixed end and a free end, the fixed end being fixed on the adjustable foot mount, and the free end being slidably coupled to the guide slot and moving along the sliding path to store the adjustable foot mount inside the housing or release the adjustable foot mount from the housing, wherein, when the sliding arm slides on the section having the teeth, the free end of the sliding arm engages with any of the recesses to hold the adjustable foot mount at a selected position.
地址 Hsin-Chu TW
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