US 11,993,901 B2
Shock absorbing retractable bollard systems
Aaron J. Wiegel, Benton, WI (US); David Swift, Dubuque, IA (US); Jason Dondlinger, Bellevue, IA (US); Joe Korman, Dubuque, IA (US); Lucas I. Paruch, Dubuque, IA (US); and Ronald P. Snyder, Dubuque, IA (US)
Assigned to RITE-HITE HOLDING CORPORATION, Milwaukee, WI (US)
Filed by RITE-HITE HOLDING CORPORATION, Milwaukee, WI (US)
Filed on Aug. 9, 2021, as Appl. No. 17/397,620.
Application 17/397,620 is a continuation of application No. 15/663,471, filed on Jul. 28, 2017, granted, now 11,085,155.
Application 15/663,471 is a continuation of application No. 14/939,602, filed on Nov. 12, 2015, granted, now 9,909,271, issued on Mar. 6, 2018.
Prior Publication US 2022/0025592 A1, Jan. 27, 2022
Int. Cl. E01F 13/00 (2006.01); E01F 9/646 (2016.01); E01F 13/02 (2006.01); E01F 13/04 (2006.01); E01F 15/00 (2006.01)
CPC E01F 13/022 (2013.01) [E01F 9/646 (2016.02); E01F 13/024 (2013.01); E01F 13/046 (2013.01); E01F 15/003 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A barrier system comprising:
a handrail, the handrail having an end with a width measured in a direction transverse to an elongate length of the handrail;
a connector to couple the handrail to a post extension that extends upward from a floor, the connector including a socket to hold the end of the handrail, the socket defined by an elongate channel that extends in a direction substantially parallel to the post extension when the connector is attached to the post extension, the channel having a length that is greater than the width of the end of the handrail, the connector dimensioned to be slidably repositioned along the post extension; and
a collar distinct and separate from the connector, the collar including a fastener to hold the connector at a particular position along the post extension.