US 5,707,144 AGranted

Lamp housing for surgical lamp

AssigneeHeraeus Med GmbH

InventorsUwe Gampe, Berthold Gerhart, Stefan Maier, Rudolf Marka

Life of this patent

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Abstract

A lamp housing for a surgical lamp having a light exit opening at one end thereof, an access opening disposed on a side opposite from the light exit opening and a cover member for closing the access opening. The cover member is attached to a pivotable spring member located in the interior of the housing. The cover member is held in the access opening through spring action by a flange-type circumferential flange on the inside of an edge surrounding the access opening. The spring member is a leaf spring connected to the cover member and is pivotably hinged to the interior of the lamp housing. By applying external pressure to the cover member, the cover member is inserted into the housing and shifted along the interior of the lamp housing by a swivel motion to the extent that access, for example, for changing the bulb, without difficulty.

Claims11

Dependent claims

A lamp housing for a surgical lamp comprising:

an outer lamp housing having a light exit opening and an access opening, said access opening disposed on one end of said outer lamp housing facing away from said light exit opening;
a cover member which is disposed inside of said outer housing opening and closing said access opening, said cover member having a lower surface with a peripheral area greater than a peripheral area of said access opening;
and
a spring member connected to said cover member, said spring member being pivotable relative to said outer lamp housing, said spring member pivotably retained at opposite ends thereof at positions located at an interior of said outer lamp housing;
said spring member urging said cover member from the inside of the outer lamp housing towards an outside of the outer lamp housing and urging said lower surface inside said outer lamp housing against a peripheral edge of said access opening, by externally directed pressure of said cover member and said spring member, thereby closing said access opening.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/738,309Filed 25 Oct 1996
Priority: DE 196 02 329.724 Jan 1996
Granted: 13 Jan 1998
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

F21V 19/04
Fastening of light sources or lamp holders: with provision for changing light source, e.g. turret
F21V 15/01
Protecting lighting devices from damage: housings, e.g. material or assembling of housing parts
F21W 2131/205
Lighting for medical use: for operating theatres
Y10S 362/804
Illumination: surgical or dental spotlight

Family

No related US applications are recorded in the indexed filing history.

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