GB287153A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
GB287153A
GB287153A GB1015/28A GB101528A GB287153A GB 287153 A GB287153 A GB 287153A GB 1015/28 A GB1015/28 A GB 1015/28A GB 101528 A GB101528 A GB 101528A GB 287153 A GB287153 A GB 287153A
Authority
GB
United Kingdom
Prior art keywords
nut
screw
relating
telephone systems
tapered
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
GB1015/28A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Publication of GB287153A publication Critical patent/GB287153A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

287,153. Wallens, H. N. Nov. 6, 1926. Screw propellers.-Relates to the screw propellers described in Specification 221,906 and consists in using a former which is constructed of tapered pieces longitudinally adjustable in the article whereby it may be brought to the correct shape by mild blows while at the same time a low temperature blow lamp is applied. Tapered blocks A, B, C having guide ribs J, K are placed in the propeller blade L, the rod A having an extension passing through a screw nut D mounted on a clamp I, the nut having external teeth geared to an operating handle F for the purpose of adjusting the blades longitudinally.
GB1015/28A 1927-03-17 1928-01-11 Improvements in or relating to telephone systems Expired GB287153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US647858XA 1927-03-17 1927-03-17

Publications (1)

Publication Number Publication Date
GB287153A true GB287153A (en) 1929-04-11

Family

ID=22058263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1015/28A Expired GB287153A (en) 1927-03-17 1928-01-11 Improvements in or relating to telephone systems

Country Status (3)

Country Link
CH (2) CH138149A (en)
FR (1) FR647858A (en)
GB (1) GB287153A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111572992A (en) * 2020-05-28 2020-08-25 中国工商银行股份有限公司 Accommodation device, control method and system for transporting articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111572992A (en) * 2020-05-28 2020-08-25 中国工商银行股份有限公司 Accommodation device, control method and system for transporting articles
CN111572992B (en) * 2020-05-28 2024-02-02 中国工商银行股份有限公司 Accommodation apparatus, control method, and system for transporting article

Also Published As

Publication number Publication date
CH138148A (en) 1930-02-15
FR647858A (en) 1928-12-03
CH138149A (en) 1930-02-15

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