← Back to Patent Explorer
US4110820A Expired / Lapsed US ⏱️ 0.0 years remaining

Spare lamp holding device for a light supply device for endoscope

Assignee: Olympus Corp
•
Filing: 1976-12-16
•
Granted: 1978-08-29
•
Expires: 1996-12-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A light supply device for endoscope in which a space defined adjacent to a light source section including a socket and a lamp attached thereto communicates with the outside through an opening. At the opening is swingably provided a cover hinge-coupled to the frame of the device at one end, while on the back of the cover is fixed a holder to which a spare lamp for replacement is removably fitted. The spare lamp is contained in the space when the cover is in the close position.

Inventors

  • 👤 Katunaga Konoshima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:29
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/04; F21V19/047; A; A61; A61B; A61B1/00; A61B1/06; A61B1/0661; A61B1/0669

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 189 words
In a light supply device for an endoscope including a casing; a chamber formed in said casing; a light guide bundle, one end of which is mounted in one side wall of the casing to be disposed in the chamber; and a first holding means for holding a lamp in use to cause the lamp to be disposed adjacent to said one side wall of the casing in the chamber and emit light to said one end of the bundle; a spare lamp holding device comprising a cover hinged to another side wall of the casing, and normally covering an opening formed in said other side wall of the chamber to communicate with the chamber; and a second holding means provided on the inner surface of the cover and holding a spare lamp at that portion of the chamber which is located opposite to said one side wall with respect to the first holding means and where the spare lamp is not brought into contact with the lamp in use when the cover is closed, said spare lamp being pulled out of the chamber when the cover is opened.
Claim 2
Dependent Claim 189 words
In a light supply device for an endoscope including a casing; a chamber formed in said casing; a light guide bundle, one end of which is mounted in one side wall of the casing to be disposed in the chamber; and a first holding means for holding a lamp in use to cause the lamp to be disposed adjacent to said one side wall of the casing in the chamber and emit light to said one end of the bundle; a spare lamp holding device comprising a cover hinged to another side wall of the casing, and normally covering an opening formed in said other side wall of the chamber to communicate with the chamber; and a second holding means provided on the inner surface of the cover and holding a spare lamp at that portion of the chamber which is located opposite to said one side wall with respect to the first holding means and where the spare lamp is not brought into contact with the lamp in use when the cover is closed, said spare lamp being pulled out of the chamber when the cover is opened.
Claim 3
Dependent Claim 78 words
In a light supply device according to claim 1, wherein said second holding means comprises a resilient wire engageable with flanges formed on the periphery of the spare lamp, support lugs provided on the inner surface of the cover to swingably support the wire, and engaging ears provided on the inner surface of the cover and engageable with the wire to set the spare lamp in position in the chamber when the wire is engaged by the ears.
Claim 4
Dependent Claim 20 words
In a light supply device according to claim 2, wherein said resilient wire is formed in an angular U-shaped configuration.

References Cited (Backward Citations)

US2494652A Cited
US3195536A Cited
US3529149A Cited
US3638013A Cited
US3775606A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-08-28 1982-02-27 1982-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-08-28 1986-02-27 1986-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-08-28 1990-02-27 1990-08-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag