US 12,186,871 B2
Driving machine
Takashi Ueda, Ibaraki (JP)
Assigned to KOKI HOLDINGS CO., LTD., Tokyo (JP)
Filed by KOKI HOLDINGS CO., LTD., Tokyo (JP)
Filed on Aug. 11, 2023, as Appl. No. 18/448,550.
Application 18/448,550 is a continuation of application No. 17/199,801, filed on Mar. 12, 2021, granted, now 11,724,378.
Application 17/199,801 is a continuation of application No. 17/100,221, filed on Nov. 20, 2020, granted, now 10,946,506, issued on Mar. 16, 2021.
Application 17/100,221 is a continuation of application No. 15/577,236, granted, now 10,875,166, issued on Dec. 29, 2020, previously published as PCT/JP2016/064316, filed on May 13, 2016.
Claims priority of application No. 2015-107511 (JP), filed on May 27, 2015.
Prior Publication US 2023/0381939 A1, Nov. 30, 2023
Int. Cl. B25C 7/00 (2006.01); B25C 1/00 (2006.01); B25C 1/04 (2006.01); B25C 1/06 (2006.01); B25C 1/08 (2006.01); B25F 5/00 (2006.01)
CPC B25C 7/00 (2013.01) [B25C 1/008 (2013.01); B25C 1/047 (2013.01); B25C 1/06 (2013.01); B25C 1/08 (2013.01); B25F 5/006 (2013.01); B25F 5/008 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A driver comprising:
a housing;
a piston operable to travel in a traveling direction;
a rack connected to the piston, the rack comprising first engaging parts disposed along the traveling direction of the piston,
a rotary component including second engaging parts disposed along a rotating direction of the rotary component, the second engaging parts engaging with the first engaging parts;
a damper configured to absorb a kinetic energy of the piston; and
an integrally-formed holder having a damper retaining part supporting the damper and a cylindrical accommodating part covering an outer peripheral surface of the rotary component.