IP Library Granted Patent US 8,757,815
Granted Patent B2
US 8,757,815 · App. 13/485,925 · Granted Jun 24, 2014

Lamp unit

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Quick Facts
Patent No.
US 8,757,815
App. No.
13/485,925
Granted
Jun 24, 2014
Kind
B2
Abstract

A lamp unit 10 includes a lamp 100 , a lamp holder 102/103 for holding the lamp 100 , a handle section 108 used when removing the lamp unit 10 from a projector, and a support section 251/252 for supporting the lamp unit 10 from below. The support section 251/252 includes a front side support section 251 for supporting the lamp unit 10 at a front side of the lamp unit 10 , and a back side support section 252 that is disposed behind the lamp 100 and is for supporting the lamp unit 10 at a tip thereof located outside an outer circumference of the lamp 100 when the lamp unit 10 is viewed from front.

Claims (15)

1. A lamp unit detachably disposed on a projector, the lamp unit comprising:

a lamp configured to function as a light source of the projector;

a lamp holder configured to hold the lamp;

a handle section disposed on the lamp holder and used when removing the lamp unit from the projector; and

a support section used for placing down the lamp unit removed from the projector on a surface and configured to support the lamp unit from below, wherein

the support section includes a front side support section configured to support the lamp unit at a front side of the lamp unit, and a back side support section disposed behind the lamp and configured to support the lamp unit at a tip located outside an outer circumference of the lamp when the lamp unit is viewed from the front.

2. The lamp unit according to claim 1 , wherein the back side support section is disposed so as to shield a site having an installation hole for a bulb of the lamp.

3. The lamp unit according to claim 1 , wherein the support section is configured to support the lamp unit using three or more protruding sections.

4. The lamp unit according to claim 1 , wherein the handle section is detachable and reattachable with respect to the lamp holder.

5. The lamp unit according to claim 1 , further comprising a lamp lid that is fixed on the lamp holder and that forms one portion of an exterior surface of the projector in a state where the lamp unit is installed in the projector, wherein

the handle section is fixed or formed on the lamp lid.

6. The lamp unit according to claim 1 , wherein the lamp holder includes a holder body configured to hold the lamp and formed from a heat-resistant resin or a metallic material, and an opposing section formed from a heat-resistant resin, extending backward from the holder body and opposing an outer circumferential surface of the lamp.

7. The lamp unit according to claim 1 , wherein

the support section is configured to support the lamp unit using three or more protruding sections, and

at least one of the protruding sections disposed on a holder body of the lamp holder is configured to function as a datum pin that is to be inserted in a datum hole disposed on an installation position of the lamp unit of the projector.

Assignments (2)
CHANGE OF NAME Recorded Dec 13, 2024
From: PANASONIC CORPORATION
To: PANASONIC HOLDINGS CORPORATION
Reel/Frame 069631/0400 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2012
From: SARUWATARI, NAOTO; GOTOU, MASANORI; SEKIDO, HIROSHI; HOSHINO, MAKOTO
To: PANASONIC CORPORATION
Reel/Frame 028680/0123 →