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Class Information
Number: 49/42
Name: Movable or removable closures > Plural wings radiate from common pivot; i.e., revolving
Description: Device comprising a plurality of closures which are mounted to radiate from and rotate in the same direction about a common axis through an arc of 360° or more.










Sub-classes under this class:

Class Number Class Name Patents
49/46 Successive position-type; e.g., turnstile 30
49/44 Wings fold for through passage 27
49/43 With speed regulator 20


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8522477 Rotary lock comprising a locking arm that can be pivoted parallel to the main rotary axis Sep. 3, 2013
8516750 Security door system Aug. 27, 2013
8519646 Container lid Aug. 27, 2013
8296998 Powered actuator Oct. 30, 2012
8291643 Gate support device Oct. 23, 2012
8261489 Access lock Sep. 11, 2012
8191312 Automatic revolving door having foldable rotary wings Jun. 5, 2012
8171671 Security gate May. 8, 2012
8001724 Rotating barrier Aug. 23, 2011
7958675 Gate support device Jun. 14, 2011
7900398 Security door system Mar. 8, 2011
7895791 Passage barrier with a sensor technology for detecting the presence of a person inside the passage barrier Mar. 1, 2011
7841133 Passage barrier Nov. 30, 2010
7733043 Revolving door control system Jun. 8, 2010
7707951 System for preventing crime in high traffic areas and sites using low voltage power May. 4, 2010
7703241 Security gate Apr. 27, 2010
7401438 Revolving door for placement in a facade of a building Jul. 22, 2008
7146994 Active rinse shield for electrofill chemical bath and method of use Dec. 12, 2006
7104008 Door system with a pair of door panels connected by a swivel panel that swings back and forth for selectively opening and closing gateways in a compartment Sep. 12, 2006
7096625 Method of displaying advertising on a turnstile Aug. 29, 2006
7021002 Sliding revolving door Apr. 4, 2006
6959949 Device for securing a door leaf against unintentional deflection Nov. 1, 2005
6925756 Apparatus for controlling the ingress and egress to and from an operator's compartment Aug. 9, 2005
6742301 Revolving door with metal detection security Jun. 1, 2004
6725603 Emergency exit revolving door Apr. 27, 2004
6715234 Turnstile entry gates Apr. 6, 2004
6557299 Revolving door May. 6, 2003
6543185 Revolving door Apr. 8, 2003
6493991 Revolving door system Dec. 17, 2002
6370822 Revolving door Apr. 16, 2002
6367198 Revolving door with night surround Apr. 9, 2002
6350407 Process for producing sintered product Feb. 26, 2002
6266922 Revolving door Jul. 31, 2001
6155744 Parking management system Dec. 5, 2000
6073394 Door system Jun. 13, 2000
6061960 Revolving door May. 16, 2000
6012252 Turning blocking device Jan. 11, 2000
5937580 Power transmitting device for doors and the like Aug. 17, 1999
5711111 Revolving door lock Jan. 27, 1998
5592778 Safety turnstile Jan. 14, 1997
5542211 Revolving security door for banks and the like Aug. 6, 1996
5444941 Mantrap Aug. 29, 1995
5376041 Method for regulating the flow of animals through a slaughtering facility Dec. 27, 1994
5357711 Support bar for turnstile arms Oct. 25, 1994
5345715 Serpentine structure for a turnstile Sep. 13, 1994
5235783 Revolving door Aug. 17, 1993
5203111 Revolving door for the protection of the access to and/or exit from a room Apr. 20, 1993
5201906 Anti-piggybacking: sensor system for security door to detect two individuals in one compartment Apr. 13, 1993
5201142 Revolving door Apr. 13, 1993
5195448 Security system Mar. 23, 1993

1 2










 
 
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