GB244213A - Improvements in or relating to handles for imparting rotary movement - Google Patents

Improvements in or relating to handles for imparting rotary movement

Info

Publication number
GB244213A
GB244213A GB2389924A GB2389924A GB244213A GB 244213 A GB244213 A GB 244213A GB 2389924 A GB2389924 A GB 2389924A GB 2389924 A GB2389924 A GB 2389924A GB 244213 A GB244213 A GB 244213A
Authority
GB
United Kingdom
Prior art keywords
shank
handle
spring
hole
plug
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
GB2389924A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2389924A priority Critical patent/GB244213A/en
Publication of GB244213A publication Critical patent/GB244213A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22—Cranks; Eccentrics
    • F16C3/28—Adjustable cranks or eccentrics

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)

Abstract

244,213. Jenks, G. C. Oct. 9, 1924. Driving machines.-In adjustable-throw handcranks, the shank slides transversely through a hole in the shaft or socket to be rotated, and is secured by a spring-pressed stud carried by the shaft &c. and adapted to engage one of a series of recesses in the shank. As applied to a drill, the shank B, having an integral or other handle b<1>, traverses a hole a<3> in the recessed boss a<2> of the spindle A and a slot c<1> in a spring-pressed plug C. A stud c<2> secured in the plug engages one of the holes b<3> in the shank B, but can be freed to change the radius of the handle by pressing in the plug. A spring-ring b<5> prevents removal of the crank. If the shank B is of circular cross-section, a hole b<4> may be provided on the opposite side to permit the handle b<1> to be locked in the inward position, shown in broken lines, when out of use. If the shank is square or polygonal, it may be so turned after removal from the boss a<2>, or may have a circular portion at one end to permit rotation.
GB2389924A 1924-10-09 1924-10-09 Improvements in or relating to handles for imparting rotary movement Expired GB244213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2389924A GB244213A (en) 1924-10-09 1924-10-09 Improvements in or relating to handles for imparting rotary movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2389924A GB244213A (en) 1924-10-09 1924-10-09 Improvements in or relating to handles for imparting rotary movement

Publications (1)

Publication Number Publication Date
GB244213A true GB244213A (en) 1925-12-17

Family

ID=10203102

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2389924A Expired GB244213A (en) 1924-10-09 1924-10-09 Improvements in or relating to handles for imparting rotary movement

Country Status (1)

Country Link
GB (1) GB244213A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213783A (en) * 1987-12-17 1989-08-23 Metallifacture Ltd Adjustable length hand crank for jack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213783A (en) * 1987-12-17 1989-08-23 Metallifacture Ltd Adjustable length hand crank for jack

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