GB495623A - Improvements in or relating to carbon arc lamps - Google Patents

Improvements in or relating to carbon arc lamps

Info

Publication number
GB495623A
GB495623A GB10280/38A GB1028038A GB495623A GB 495623 A GB495623 A GB 495623A GB 10280/38 A GB10280/38 A GB 10280/38A GB 1028038 A GB1028038 A GB 1028038A GB 495623 A GB495623 A GB 495623A
Authority
GB
United Kingdom
Prior art keywords
rim
period
regulated
engage
engagement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB10280/38A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG
Publication of GB495623A publication Critical patent/GB495623A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0081—Controlling of arc lamps

Landscapes

  • Radiation-Therapy Devices (AREA)

Abstract

495,623. Arc lamps ; variable-speed intermittent gearing. ZEISS IKON AKT.- GES. April 4, 1938, No. 10280. Convention date, June 14, 1937. Addition to 471,647. [Class 39 (i)] [Also in Group XXIV] In an electrode feed mechanism for an arclamp having a member intermittently driven for adjustable periods by a ratchet or the like, the period of engagement of which is regulated by an adjustable cam, as described in the parent Specification, the length of the period of engagement is regulated by adjusting the effective length of the cam surface. For this purpose the engaging member consists of a toothed member 6 pivoted to a rotating shaft 1 and urged by a spring 19 to engage a crown wheel 7 coaxial with the shaft 6 and driving the feed-mechanism through gearing 8, 9. Surrounding the crown wheel 7 is a rim 13 having a projecting portion 12 so proportioned that the member 6 when it reaches the portion 12 rides up a slope and is disengaged from the wheel 7. To regulate the period of disengagement a steel strip 16 is pushed through a slot 15, Fig. 3, in the rim 13 so that a greater or less portion lies within the rim in position to engage the member 8. Specification 485,359 is referred to.
GB10280/38A 1937-06-14 1938-04-04 Improvements in or relating to carbon arc lamps Expired GB495623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE495623X 1937-06-14

Publications (1)

Publication Number Publication Date
GB495623A true GB495623A (en) 1938-11-16

Family

ID=6544925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10280/38A Expired GB495623A (en) 1937-06-14 1938-04-04 Improvements in or relating to carbon arc lamps

Country Status (1)

Country Link
GB (1) GB495623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430552A1 (en) * 1978-07-05 1980-02-01 Whitehead Moto Fides Stabil MECHANISM FOR VARYING THE RELATIVE ANGULAR SPEED OF TWO TREES IN A PROPORTIONALLY CONTINUOUS WAY

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430552A1 (en) * 1978-07-05 1980-02-01 Whitehead Moto Fides Stabil MECHANISM FOR VARYING THE RELATIVE ANGULAR SPEED OF TWO TREES IN A PROPORTIONALLY CONTINUOUS WAY

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