Bicycle crank arm

Information

  • Patent Grant
  • D1068571
  • Patent Number
    D1,068,571
  • Date Filed
    Tuesday, February 28, 2023
    3 years ago
  • Date Issued
    Tuesday, April 1, 2025
    11 months ago
  • US Classifications
    Field of Search
    • US
    • D12 111
    • D12 123
    • D21 538
    • D21 663
    • D21 667
    • D08 309
    • CPC
    • F16H7/06
    • F16H55/303
    • F16H55/30
    • B62M9/105
    • B60B27/023
  • International Classifications
    • 1211
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a front view of the invented bicycle crank arm.



FIG. 2 is a back view of the invented bicycle crank arm.



FIG. 3 is a left side view of the invented bicycle crank arm.



FIG. 4 is a right side view of the invented bicycle crank arm.



FIG. 5 is a top view of the invented bicycle crank arm.



FIG. 6 is a bottom view of the invented bicycle crank arm; and,



FIG. 7 is a perspective view of the invented bicycle crank arm.


The unshaded ring insert in the top portion of the crank arm varies depending upon the particular model of bicycle and is not claimed.


Claims
  • The ornamental design for a bicycle crank arm as shown and described.
US Referenced Citations (17)
Number Name Date Kind
6508002 Chiang Jan 2003 B1
D522413 Okada Jun 2006 S
D527315 Arakawa Aug 2006 S
D974240 King Jan 2023 S
D975600 King Jan 2023 S
D975601 King Jan 2023 S
20030066383 Jiang Apr 2003 A1
20040154431 Yamanaka Aug 2004 A1
20040200314 Hermansen Oct 2004 A1
20050217417 Uchida Oct 2005 A1
20130068066 Staples Mar 2013 A1
20130087011 Yamanaka Apr 2013 A1
20130233092 Tetsuka Sep 2013 A1
20140182413 Yamanaka Jul 2014 A1
20150175241 Malloy Jun 2015 A1
20180057106 Iwai Mar 2018 A1
20230111794 Lee Apr 2023 A1
Non-Patent Literature Citations (3)
Entry
“5DEV Trail / Enduro Crank Review By Neko Mullaly.” World Wide Cyclery., Dec. 5, 2022 [online], [retrieved on Jul. 11, 2024]. Retrieved from the Internet <URL: https://www.worldwidecyclery.com/blogs/worldwide-cyclery-blog/5dev-trail-enduro-crank-review-by-neko-mullaly>.
“SRAM prototypes Al optimised, 3D printed bicycle crankarm.” Castings SA., May 21, 2021 [online], [retrieved on Jul. 11, 2024]. Retrieved from the Internet <URL: https://castingssa.com/sram-prototypes-ai-optimised-3d-printed-bicycle-crankarm/>.
Crank Arms, https://5dev.com/collections/chainrings, Visited Feb. 28, 2023.