# US 10,767,844 B1 · PLV lamp

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- Number: US 10,767,844 B1
- Document ID: US10767844B1
- Status: Granted
- Kind: B1
- Application number: 16/627,777
- Filed: 2019-09-24
- Granted: 2020-09-08
- Earliest claimed: 2019-09-24
- Assignees: Zhejiang Setec Lighting Co., Ltd.
- Applicants: Zhejiang Setec Lighting Co. Ltd
- Inventors: Jianfeng Ke
- Web page: https://patentgrep.com/patent/US10767844B1

## CPC

- F21V 23/06: the elements being coupling devices {, e.g. connectors}
- F21K 9/65: specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
- F21V 17/12: by screwing
- F21V 21/22: telescopic
- F21V 21/30: Pivoted housings or frames
- F21K 9/233: specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR

## Abstract

A PLV lamp includes a lamp cup, a lamp body, and a lamp cap, wherein the lamp cup is rotationally connected with the lamp body, and the lamp body is stretchable and matched with the lamp cap. The rotatable connection between the lamp cup and the lamp body is realized through two movable shafts. The two movable shafts have a gap formed therebetween and are arranged at a bottom of the lamp cup. The lamp body is provided with a movable shaft base to be matched with the gap, and the two movable shafts are connected with the movable shaft base.

## Claims

### Claim 1

A PLV lamp, comprising a lamp cup, a lamp body, and a lamp cap, wherein,
the lamp cup is rotationally connected to the lamp body through two movable shafts, and the lamp body is stretchable and matched with the lamp cap;
a gap is formed between the two movable shafts, and the two movable shafts are arranged at a bottom of the lamp cup; and
the lamp body is provided with a movable shaft base to be matched with the gap, and the two movable shafts are connected to the movable shaft base.

### Claim 2

A PLV lamp, comprising a lamp cup, a lamp body, and a lamp cap, wherein,
the lamp cup is rotationally connected to the lamp body through a rotary part, and the lamp body is stretchable and matched with the lamp cap;
the rotary part is arranged between the lamp cup and the lamp body, and the rotary part is fixedly matched with the lamp cup and is movably matched with the lamp body;
a buckle hole and a wire hole are formed in a first position, wherein the lamp cup is matched with the rotary part at the first position;
a buckle is arranged at the first position; and
a rotary shaft is arranged at a second position, wherein the rotary part is movably matched with the lamp body at the second position.

### Claim 3

A PLV lamp, comprising a lamp cup, a lamp body, and a lamp cap, wherein,
the lamp cup is rotationally connected to the lamp body through an installation part, and the lamp body is stretchable and matched with the lamp cap;
the installation part is arranged at a bottom of the lamp cup;
the lamp cup has a limit end;
the lamp body has an installation end matched with the installation part, and the lamp body is provided with a limit block; and
the limit block corresponds to the limit end of the lamp cup.

### Claim 4 (depends on 1)

The PLV lamp according to claim 1, wherein, the lamp body comprises an external movable part, an external rotary sleeve, and an internal threaded sleeve;
the external movable part is fixed outside the external rotary sleeve; the external rotary sleeve is internally provided with internal threads; the internal threaded sleeve is matched with the lamp cap, and the internal threaded sleeve has an external surface provided with external threads matched with the internal threads; and the internal threaded sleeve is matched with the lamp cap.

### Claim 5 (depends on 2)

The PLV lamp according to claim 2, wherein, the lamp body comprises an external movable part and an internal fixed part;
the internal fixed part is provided with a positioning strip, and the external movable part is provided with a positioning groove matched with the positioning strip; and a rubber ring storage groove configured to store a rubber ring is formed above the positioning strip.

### Claim 6 (depends on 3)

The PLV lamp according to claim 3, wherein, the lamp body comprises an external movable part, an internal fixed part, and an elastic positioning pin;
a positioning groove and a positioning hole are formed in the external movable part, and the internal fixed part is provided with a positioning strip and the elastic positioning pin, wherein the positioning strip is matched with the positioning groove, and the elastic positioning pin corresponds to the positioning hole; and a rubber ring storage groove configured to store a rubber ring is formed above the positioning strip.

### Claim 7 (depends on 1)

The PLV lamp according to claim 1, wherein, the lamp cap is a screwed lamp cap or a plug type lamp cap.

### Claim 8 (depends on 1)

The PLV lamp according to claim 1, wherein, the lamp body is coupled to the lamp cap.